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    I have rebooted the clientes, but the erased OST keep in the clients
    "device lists".<br>
    <br>
    <br>
    <br>
    On 02/11/12 16:53, Nathan Rutman wrote:
    <blockquote
      cite="mid:CC27999A-1E3E-4AFC-A110-1296E4D5562F@xyratex.com"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html;
        charset=ISO-8859-1">
      I suspect if you restart the clients the problem will go away.
      <div><br>
        <div>
          <div>On Oct 30, 2012, at 1:49 AM, Alfonso Pardo <<a
              moz-do-not-send="true"
              href="mailto:alfonso.pardo@ciemat.es">alfonso.pardo@ciemat.es</a>>
            wrote:</div>
          <br class="Apple-interchange-newline">
          <blockquote type="cite">
            <meta content="text/html; charset=ISO-8859-1"
              http-equiv="Content-Type">
            <div bgcolor="#FFFFFF" text="#000000"> More about my
              problem:<br>
              <br>
              If I run in the client the command <b>lfs df -i</b>. I
              can see the inactive/removed OST:<br>
              <br>
              UUID                      Inodes       IUsed       IFree
              IUse% Mounted on<br>
              cetafs-MDT0000_UUID    975470592    23375132   952095460  
              2% /mnt/data[MDT:0]<br>
              cetafs-OST0000_UUID     19073280    18889414      183866 
              99% /mnt/data[OST:0]<br>
              cetafs-OST0001_UUID     19073280    18889304      183976 
              99% /mnt/data[OST:1]<br>
              cetafs-OST0002_UUID     19073280    18889353      183927 
              99% /mnt/data[OST:2]<br>
              cetafs-OST0003_UUID     19073280    18889397      183883 
              99% /mnt/data[OST:3]<br>
              cetafs-OST0004_UUID     19073280    18889372      183908 
              99% /mnt/data[OST:4]<br>
              cetafs-OST0005_UUID     19073280    18889440      183840 
              99% /mnt/data[OST:5]<br>
              cetafs-OST0006_UUID     19073280    18889184      184096 
              99% /mnt/data[OST:6]<br>
              cetafs-OST0007_UUID     19073280    18889292      183988 
              99% /mnt/data[OST:7]<br>
              cetafs-OST0008_UUID     19073280    18889134      184146 
              99% /mnt/data[OST:8]<br>
              cetafs-OST0009_UUID     19073280    18889413      183867 
              99% /mnt/data[OST:9]<br>
              cetafs-OST000a_UUID     19073280    18888999      184281 
              99% /mnt/data[OST:10]<br>
              cetafs-OST000b_UUID     19073280    18889393      183887 
              99% /mnt/data[OST:11]<br>
              cetafs-OST000c_UUID     19073280    18889290      183990 
              99% /mnt/data[OST:12]<br>
              cetafs-OST000d_UUID     19073280    18889353      183927 
              99% /mnt/data[OST:13]<br>
              cetafs-OST000e_UUID     19073280    18889349      183931 
              99% /mnt/data[OST:14]<br>
              cetafs-OST000f_UUID     19073280    18889357      183923 
              99% /mnt/data[OST:15]<br>
              cetafs-OST0010_UUID     19073280    18889378      183902 
              99% /mnt/data[OST:16]<br>
              cetafs-OST0011_UUID     19073280    18889385      183895 
              99% /mnt/data[OST:17]<br>
              cetafs-OST0012_UUID     19073280     2629014    16444266 
              13% /mnt/data[OST:18]<br>
              cetafs-OST0013_UUID     19073280     2629045    16444235 
              13% /mnt/data[OST:19]<br>
              OST0014             : Resource temporarily unavailable<br>
              cetafs-OST0015_UUID      7621120     1494736     6126384 
              19% /mnt/data[OST:21]<br>
              cetafs-OST0016_UUID      7621120     1495107     6126013 
              19% /mnt/data[OST:22]<br>
              cetafs-OST0017_UUID      7621120     1494952     6126168 
              19% /mnt/data[OST:23]<br>
              cetafs-OST0018_UUID      7621120     1494865     6126255 
              19% /mnt/data[OST:24]<br>
              <br>
              filesystem summary:    975470592    23375132   952095460  
              2% /mnt/data<br>
              <br>
              But, if I list the lustre devices in the client with <b>lctl
                dl</b>, the inactive/removed OST don't exist:<br>
              <br>
                0 UP mgc MGC192.168.11.9@tcp
              7ac5cb56-40f1-7183-672b-8d77a7f42d5d 5<br>
                1 UP lov cetafs-clilov-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 4<br>
                2 UP mdc cetafs-MDT0000-mdc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
                3 UP osc cetafs-OST0000-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
                4 UP osc cetafs-OST0001-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
                5 UP osc cetafs-OST0002-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
                6 UP osc cetafs-OST0003-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
                7 UP osc cetafs-OST0004-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
                8 UP osc cetafs-OST0005-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
                9 UP osc cetafs-OST0006-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               10 UP osc cetafs-OST0007-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               11 UP osc cetafs-OST0012-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               12 UP osc cetafs-OST0013-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               13 UP osc cetafs-OST0008-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               14 UP osc cetafs-OST000a-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               15 UP osc cetafs-OST0009-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               16 UP osc cetafs-OST000b-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               17 UP osc cetafs-OST000c-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               18 UP osc cetafs-OST000d-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               19 UP osc cetafs-OST000e-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               20 UP osc cetafs-OST000f-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               21 UP osc cetafs-OST0010-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               22 UP osc cetafs-OST0011-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               23 UP osc cetafs-OST0018-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               24 UP osc cetafs-OST0015-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               25 UP osc cetafs-OST0016-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
               26 UP osc cetafs-OST0017-osc-ffff81012394e400
              132759a4-add7-eaed-3b81-d27b42f97aef 5<br>
              <br>
              <br>
              It is a problem, becouse If I want to run a <b>lfs
                quotachek</b>, I got a error becouse It want to access
              to the inactive/removed OST<br>
              <br>
              <br>
              Any suggest?<br>
              <br>
              <br>
              <br>
              On 29/10/12 09:40, Alfonso Pardo wrote:
              <blockquote cite="mid:508E40E4.3070704@ciemat.es"
                type="cite">
                <meta content="text/html; charset=ISO-8859-1"
                  http-equiv="Content-Type">
                Hi, I have removed the inactive OST by: "tunefs.lustre
                --writeconf" in all OST and MDT.<br>
                <br>
                Buy my clients can see the removed OST <br>
                <br>
                <b>OST0014             : Resource temporarily
                  unavailable</b><br>
                <br>
                But in the MDS the inactive OST is erased:<br>
                <br>
                0 UP mgc MGC192.168.11.9@tcp
                705b5ce9-4857-4c87-6663-6a2824537f83 5<br>
                  1 UP lov cetafs-MDT0000-mdtlov
                cetafs-MDT0000-mdtlov_UUID 4<br>
                  2 UP mdt cetafs-MDT0000 cetafs-MDT0000_UUID 123<br>
                  3 UP mds mdd_obd-cetafs-MDT0000
                mdd_obd_uuid-cetafs-MDT0000 3<br>
                  4 UP osc cetafs-OST0000-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.11@tcp<br>
                  5 UP osc cetafs-OST0001-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.11@tcp<br>
                  6 UP osc cetafs-OST0002-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.13@tcp<br>
                  7 UP osc cetafs-OST0003-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.13@tcp<br>
                  8 UP osc cetafs-OST0004-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.14@tcp<br>
                  9 UP osc cetafs-OST0005-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.14@tcp<br>
                 10 UP osc cetafs-OST0006-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.15@tcp<br>
                 11 UP osc cetafs-OST0007-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.15@tcp<br>
                 12 UP osc cetafs-OST0008-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.17@tcp<br>
                 13 UP osc cetafs-OST0009-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.18@tcp<br>
                 14 UP osc cetafs-OST000a-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.17@tcp<br>
                 15 UP osc cetafs-OST000b-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.18@tcp<br>
                 16 UP osc cetafs-OST000c-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.19@tcp<br>
                 17 UP osc cetafs-OST000d-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.19@tcp<br>
                 18 UP osc cetafs-OST000e-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.20@tcp<br>
                 19 UP osc cetafs-OST000f-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.20@tcp<br>
                 20 UP osc cetafs-OST0010-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.21@tcp<br>
                 21 UP osc cetafs-OST0011-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.21@tcp<br>
                 22 UP osc cetafs-OST0012-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.16@tcp<br>
                 23 UP osc cetafs-OST0013-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.16@tcp<br>
                 24 UP osc cetafs-OST0015-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp<br>
                 25 UP osc cetafs-OST0016-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp<br>
                 26 UP osc cetafs-OST0017-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp<br>
                 27 UP osc cetafs-OST0018-osc-MDT0000
                cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp<br>
                <br>
                What can I do to the client don't see the erased OST?<br>
                <br>
                <br>
                On 23/10/12 08:54, Alfonso Pardo wrote:
                <blockquote
cite="mid:3184_1350975247_50863F0F_3184_3996_1_50863F11.5020704@ciemat.es"
                  type="cite">
                  <meta http-equiv="content-type" content="text/html;
                    charset=ISO-8859-1">
                  Hello,<br>
                  <br>
                  I have a inactive OST that, I wish to remove from my
                  Lustre system. I have deactivate the OST with:<br>
                  <br>
                  lctl conf_param cetafs-OST0014.osc.active=0<br>
                  <br>
                  <br>
                  How do I to remove the inactive OST from my device
                  list?<br>
                  <br>
                  <br>
                  Thanks!!!!<br>
                  <br>
                  lctl dl -t<br>
                    0 UP mgc MGC192.168.11.9@tcp
                  705b5ce9-4857-4c87-6663-6a2824537f83 5<br>
                    1 UP lov cetafs-MDT0000-mdtlov
                  cetafs-MDT0000-mdtlov_UUID 4<br>
                    2 UP mdt cetafs-MDT0000 cetafs-MDT0000_UUID 123<br>
                    3 UP mds mdd_obd-cetafs-MDT0000
                  mdd_obd_uuid-cetafs-MDT0000 3<br>
                    4 UP osc cetafs-OST0000-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.11@tcp<br>
                    5 UP osc cetafs-OST0001-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.11@tcp<br>
                    6 UP osc cetafs-OST0002-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.13@tcp<br>
                    7 UP osc cetafs-OST0003-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.13@tcp<br>
                    8 UP osc cetafs-OST0004-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.14@tcp<br>
                    9 UP osc cetafs-OST0005-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.14@tcp<br>
                   10 UP osc cetafs-OST0006-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.15@tcp<br>
                   11 UP osc cetafs-OST0007-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.15@tcp<br>
                   12 UP osc cetafs-OST0008-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.17@tcp<br>
                   13 UP osc cetafs-OST0009-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.18@tcp<br>
                   14 UP osc cetafs-OST000a-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.17@tcp<br>
                   15 UP osc cetafs-OST000b-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.18@tcp<br>
                   16 UP osc cetafs-OST000c-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.19@tcp<br>
                   17 UP osc cetafs-OST000d-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.19@tcp<br>
                   18 UP osc cetafs-OST000e-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.20@tcp<br>
                   19 UP osc cetafs-OST000f-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.20@tcp<br>
                   20 UP osc cetafs-OST0010-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.21@tcp<br>
                   21 UP osc cetafs-OST0011-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.21@tcp<br>
                   22 UP osc cetafs-OST0012-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.16@tcp<br>
                   23 UP osc cetafs-OST0013-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.16@tcp<br>
                  <b> 24 IN osc cetafs-OST0014-osc-MDT0000
                    cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp</b><br>
                   25 UP osc cetafs-OST0015-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp<br>
                   26 UP osc cetafs-OST0016-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp<br>
                   27 UP osc cetafs-OST0017-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp<br>
                   28 UP osc cetafs-OST0018-osc-MDT0000
                  cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4@tcp<br>
                  <div class="moz-signature">-- <br>
                    <p><i><span style="font-size:
                          10pt;font-family:Century Gothic;">Alfonso
                          Pardo Díaz</span><br>
                        <b><span style="font-size:
                            10pt;font-family:Century Gothic;">Researcher
                            / System Administrator at CETA-Ciemat</span></b><br>
                        <span style="font-size: 10pt;font-family:Century
                          Gothic;">c/ Sola nº 1; 10200 Trujillo, ESPAÑA</span><br>
                        <span style="font-size: 10pt;font-family:Century
                          Gothic;">Tel: +34 927 65 93 17 Fax: +34 927 32
                          32 37</span><br>
                        <span><a moz-do-not-send="true"
                            href="http://www.ceta-ciemat.es/"><span><Mail
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                  <br>
                  <pre wrap="">_______________________________________________
Lustre-discuss mailing list
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:Lustre-discuss@lists.lustre.org">Lustre-discuss@lists.lustre.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://lists.lustre.org/mailman/listinfo/lustre-discuss">http://lists.lustre.org/mailman/listinfo/lustre-discuss</a>
</pre>
                </blockquote>
                <br>
                <br>
                <div class="moz-signature">-- <br>
                  <p><i><span style="font-size: 10pt;font-family:Century
                        Gothic;">Alfonso Pardo Díaz</span><br>
                      <b><span style="font-size:
                          10pt;font-family:Century Gothic;">Researcher /
                          System Administrator at CETA-Ciemat</span></b><br>
                      <span style="font-size: 10pt;font-family:Century
                        Gothic;">c/ Sola nº 1; 10200 Trujillo, ESPAÑA</span><br>
                      <span style="font-size: 10pt;font-family:Century
                        Gothic;">Tel: +34 927 65 93 17 Fax: +34 927 32
                        32 37</span><br>
                      <span><a moz-do-not-send="true"
                          href="http://www.ceta-ciemat.es/"><span><Mail
                            Attachment.png></span></a></span></i></p>
                </div>
                <br>
                <fieldset class="mimeAttachmentHeader"></fieldset>
                <br>
                <pre wrap="">_______________________________________________
Lustre-discuss mailing list
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:Lustre-discuss@lists.lustre.org">Lustre-discuss@lists.lustre.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://lists.lustre.org/mailman/listinfo/lustre-discuss">http://lists.lustre.org/mailman/listinfo/lustre-discuss</a>
</pre>
              </blockquote>
              <br>
              <br>
              <div class="moz-signature">-- <br>
                <p><i><span style="font-size: 10pt;font-family:Century
                      Gothic;">Alfonso Pardo Díaz</span><br>
                    <b><span style="font-size: 10pt;font-family:Century
                        Gothic;">Researcher / System Administrator at
                        CETA-Ciemat</span></b><br>
                    <span style="font-size: 10pt;font-family:Century
                      Gothic;">c/ Sola nº 1; 10200 Trujillo, ESPAÑA</span><br>
                    <span style="font-size: 10pt;font-family:Century
                      Gothic;">Tel: +34 927 65 93 17 Fax: +34 927 32 32
                      37</span><br>
                    <span><a moz-do-not-send="true"
                        href="http://www.ceta-ciemat.es/"><span><image001.png></span></a></span></i></p>
              </div>
            </div>
          </blockquote>
        </div>
        <br>
      </div>
    </blockquote>
    <br>
    <br>
    <div class="moz-signature">-- <br>
      <p><i><span style="font-size: 10pt;font-family:Century Gothic;">Alfonso
            Pardo Díaz</span><br>
          <b><span style="font-size: 10pt;font-family:Century Gothic;">Researcher
              / System Administrator at CETA-Ciemat</span></b><br>
          <span style="font-size: 10pt;font-family:Century Gothic;">c/
            Sola nº 1; 10200 Trujillo, ESPAÑA</span><br>
          <span style="font-size: 10pt;font-family:Century Gothic;">Tel:
            +34 927 65 93 17 Fax: +34 927 32 32 37</span><br>
          <span><a href="http://www.ceta-ciemat.es/"><img
                src="cid:part9.03060205.00090206@ciemat.es"
                alt="CETA-Ciemat logo" height="76" border="0"
                width="383"></a></span></i></p>
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