[Lustre-discuss] [wc-discuss] Remove a inactive OST
Nathan Rutman
nathan_rutman at xyratex.com
Fri Nov 2 08:53:49 PDT 2012
I suspect if you restart the clients the problem will go away.
On Oct 30, 2012, at 1:49 AM, Alfonso Pardo <alfonso.pardo at ciemat.es> wrote:
> More about my problem:
>
> If I run in the client the command lfs df -i. I can see the inactive/removed OST:
>
> UUID Inodes IUsed IFree IUse% Mounted on
> cetafs-MDT0000_UUID 975470592 23375132 952095460 2% /mnt/data[MDT:0]
> cetafs-OST0000_UUID 19073280 18889414 183866 99% /mnt/data[OST:0]
> cetafs-OST0001_UUID 19073280 18889304 183976 99% /mnt/data[OST:1]
> cetafs-OST0002_UUID 19073280 18889353 183927 99% /mnt/data[OST:2]
> cetafs-OST0003_UUID 19073280 18889397 183883 99% /mnt/data[OST:3]
> cetafs-OST0004_UUID 19073280 18889372 183908 99% /mnt/data[OST:4]
> cetafs-OST0005_UUID 19073280 18889440 183840 99% /mnt/data[OST:5]
> cetafs-OST0006_UUID 19073280 18889184 184096 99% /mnt/data[OST:6]
> cetafs-OST0007_UUID 19073280 18889292 183988 99% /mnt/data[OST:7]
> cetafs-OST0008_UUID 19073280 18889134 184146 99% /mnt/data[OST:8]
> cetafs-OST0009_UUID 19073280 18889413 183867 99% /mnt/data[OST:9]
> cetafs-OST000a_UUID 19073280 18888999 184281 99% /mnt/data[OST:10]
> cetafs-OST000b_UUID 19073280 18889393 183887 99% /mnt/data[OST:11]
> cetafs-OST000c_UUID 19073280 18889290 183990 99% /mnt/data[OST:12]
> cetafs-OST000d_UUID 19073280 18889353 183927 99% /mnt/data[OST:13]
> cetafs-OST000e_UUID 19073280 18889349 183931 99% /mnt/data[OST:14]
> cetafs-OST000f_UUID 19073280 18889357 183923 99% /mnt/data[OST:15]
> cetafs-OST0010_UUID 19073280 18889378 183902 99% /mnt/data[OST:16]
> cetafs-OST0011_UUID 19073280 18889385 183895 99% /mnt/data[OST:17]
> cetafs-OST0012_UUID 19073280 2629014 16444266 13% /mnt/data[OST:18]
> cetafs-OST0013_UUID 19073280 2629045 16444235 13% /mnt/data[OST:19]
> OST0014 : Resource temporarily unavailable
> cetafs-OST0015_UUID 7621120 1494736 6126384 19% /mnt/data[OST:21]
> cetafs-OST0016_UUID 7621120 1495107 6126013 19% /mnt/data[OST:22]
> cetafs-OST0017_UUID 7621120 1494952 6126168 19% /mnt/data[OST:23]
> cetafs-OST0018_UUID 7621120 1494865 6126255 19% /mnt/data[OST:24]
>
> filesystem summary: 975470592 23375132 952095460 2% /mnt/data
>
> But, if I list the lustre devices in the client with lctl dl, the inactive/removed OST don't exist:
>
> 0 UP mgc MGC192.168.11.9 at tcp 7ac5cb56-40f1-7183-672b-8d77a7f42d5d 5
> 1 UP lov cetafs-clilov-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 4
> 2 UP mdc cetafs-MDT0000-mdc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 3 UP osc cetafs-OST0000-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 4 UP osc cetafs-OST0001-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 5 UP osc cetafs-OST0002-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 6 UP osc cetafs-OST0003-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 7 UP osc cetafs-OST0004-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 8 UP osc cetafs-OST0005-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 9 UP osc cetafs-OST0006-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 10 UP osc cetafs-OST0007-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 11 UP osc cetafs-OST0012-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 12 UP osc cetafs-OST0013-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 13 UP osc cetafs-OST0008-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 14 UP osc cetafs-OST000a-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 15 UP osc cetafs-OST0009-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 16 UP osc cetafs-OST000b-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 17 UP osc cetafs-OST000c-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 18 UP osc cetafs-OST000d-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 19 UP osc cetafs-OST000e-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 20 UP osc cetafs-OST000f-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 21 UP osc cetafs-OST0010-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 22 UP osc cetafs-OST0011-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 23 UP osc cetafs-OST0018-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 24 UP osc cetafs-OST0015-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 25 UP osc cetafs-OST0016-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
> 26 UP osc cetafs-OST0017-osc-ffff81012394e400 132759a4-add7-eaed-3b81-d27b42f97aef 5
>
>
> It is a problem, becouse If I want to run a lfs quotachek, I got a error becouse It want to access to the inactive/removed OST
>
>
> Any suggest?
>
>
>
> On 29/10/12 09:40, Alfonso Pardo wrote:
>>
>> Hi, I have removed the inactive OST by: "tunefs.lustre --writeconf" in all OST and MDT.
>>
>> Buy my clients can see the removed OST
>>
>> OST0014 : Resource temporarily unavailable
>>
>> But in the MDS the inactive OST is erased:
>>
>> 0 UP mgc MGC192.168.11.9 at tcp 705b5ce9-4857-4c87-6663-6a2824537f83 5
>> 1 UP lov cetafs-MDT0000-mdtlov cetafs-MDT0000-mdtlov_UUID 4
>> 2 UP mdt cetafs-MDT0000 cetafs-MDT0000_UUID 123
>> 3 UP mds mdd_obd-cetafs-MDT0000 mdd_obd_uuid-cetafs-MDT0000 3
>> 4 UP osc cetafs-OST0000-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.11 at tcp
>> 5 UP osc cetafs-OST0001-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.11 at tcp
>> 6 UP osc cetafs-OST0002-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.13 at tcp
>> 7 UP osc cetafs-OST0003-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.13 at tcp
>> 8 UP osc cetafs-OST0004-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.14 at tcp
>> 9 UP osc cetafs-OST0005-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.14 at tcp
>> 10 UP osc cetafs-OST0006-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.15 at tcp
>> 11 UP osc cetafs-OST0007-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.15 at tcp
>> 12 UP osc cetafs-OST0008-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.17 at tcp
>> 13 UP osc cetafs-OST0009-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.18 at tcp
>> 14 UP osc cetafs-OST000a-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.17 at tcp
>> 15 UP osc cetafs-OST000b-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.18 at tcp
>> 16 UP osc cetafs-OST000c-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.19 at tcp
>> 17 UP osc cetafs-OST000d-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.19 at tcp
>> 18 UP osc cetafs-OST000e-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.20 at tcp
>> 19 UP osc cetafs-OST000f-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.20 at tcp
>> 20 UP osc cetafs-OST0010-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.21 at tcp
>> 21 UP osc cetafs-OST0011-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.21 at tcp
>> 22 UP osc cetafs-OST0012-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.16 at tcp
>> 23 UP osc cetafs-OST0013-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.16 at tcp
>> 24 UP osc cetafs-OST0015-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>> 25 UP osc cetafs-OST0016-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>> 26 UP osc cetafs-OST0017-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>> 27 UP osc cetafs-OST0018-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>>
>> What can I do to the client don't see the erased OST?
>>
>>
>> On 23/10/12 08:54, Alfonso Pardo wrote:
>>>
>>> Hello,
>>>
>>> I have a inactive OST that, I wish to remove from my Lustre system. I have deactivate the OST with:
>>>
>>> lctl conf_param cetafs-OST0014.osc.active=0
>>>
>>>
>>> How do I to remove the inactive OST from my device list?
>>>
>>>
>>> Thanks!!!!
>>>
>>> lctl dl -t
>>> 0 UP mgc MGC192.168.11.9 at tcp 705b5ce9-4857-4c87-6663-6a2824537f83 5
>>> 1 UP lov cetafs-MDT0000-mdtlov cetafs-MDT0000-mdtlov_UUID 4
>>> 2 UP mdt cetafs-MDT0000 cetafs-MDT0000_UUID 123
>>> 3 UP mds mdd_obd-cetafs-MDT0000 mdd_obd_uuid-cetafs-MDT0000 3
>>> 4 UP osc cetafs-OST0000-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.11 at tcp
>>> 5 UP osc cetafs-OST0001-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.11 at tcp
>>> 6 UP osc cetafs-OST0002-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.13 at tcp
>>> 7 UP osc cetafs-OST0003-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.13 at tcp
>>> 8 UP osc cetafs-OST0004-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.14 at tcp
>>> 9 UP osc cetafs-OST0005-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.14 at tcp
>>> 10 UP osc cetafs-OST0006-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.15 at tcp
>>> 11 UP osc cetafs-OST0007-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.15 at tcp
>>> 12 UP osc cetafs-OST0008-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.17 at tcp
>>> 13 UP osc cetafs-OST0009-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.18 at tcp
>>> 14 UP osc cetafs-OST000a-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.17 at tcp
>>> 15 UP osc cetafs-OST000b-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.18 at tcp
>>> 16 UP osc cetafs-OST000c-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.19 at tcp
>>> 17 UP osc cetafs-OST000d-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.19 at tcp
>>> 18 UP osc cetafs-OST000e-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.20 at tcp
>>> 19 UP osc cetafs-OST000f-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.20 at tcp
>>> 20 UP osc cetafs-OST0010-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.21 at tcp
>>> 21 UP osc cetafs-OST0011-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.21 at tcp
>>> 22 UP osc cetafs-OST0012-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.16 at tcp
>>> 23 UP osc cetafs-OST0013-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.16 at tcp
>>> 24 IN osc cetafs-OST0014-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>>> 25 UP osc cetafs-OST0015-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>>> 26 UP osc cetafs-OST0016-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>>> 27 UP osc cetafs-OST0017-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>>> 28 UP osc cetafs-OST0018-osc-MDT0000 cetafs-MDT0000-mdtlov_UUID 5 192.168.11.4 at tcp
>>> --
>>> Alfonso Pardo Díaz
>>> Researcher / System Administrator at CETA-Ciemat
>>> c/ Sola nº 1; 10200 Trujillo, ESPAÑA
>>> Tel: +34 927 65 93 17 Fax: +34 927 32 32 37
>>> <Mail Attachment.png>
>>>
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>>
>>
>> --
>> Alfonso Pardo Díaz
>> Researcher / System Administrator at CETA-Ciemat
>> c/ Sola nº 1; 10200 Trujillo, ESPAÑA
>> Tel: +34 927 65 93 17 Fax: +34 927 32 32 37
>> <Mail Attachment.png>
>>
>>
>>
>> _______________________________________________
>> Lustre-discuss mailing list
>> Lustre-discuss at lists.lustre.org
>> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>
>
> --
> Alfonso Pardo Díaz
> Researcher / System Administrator at CETA-Ciemat
> c/ Sola nº 1; 10200 Trujillo, ESPAÑA
> Tel: +34 927 65 93 17 Fax: +34 927 32 32 37
> <image001.png>
>
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