[lustre-discuss] MDT partition getting full

Thu Apr 23 10:07:33 PDT 2015

Hm..

Based on the directory structure here, this appears to be an OST. are you
sure your targets are correctly named?

-cf

On Thu, Apr 23, 2015 at 4:03 AM, Radu Popescu <radu.popescu at amoma.com>
wrote:

>
> Hi,
>
> since I have the luxury of being able to take down one of the servers,
> here’s what I found on the mdt:
>
> # mount -t ldiskfs
> /dev/mapper/vgsrv6-lvsrv6_mdt on /mnt/mdt_fssrv6 type ldiskfs (rw)
>
> # cd /mnt/mdt_fssrv6
> # du -hs *
>
> 4.0K CATALOGS
> 0 changelog_catalog
> 0 changelog_users
> 48K CONFIGS
> 8.0K fld
> 0 hsm_actions
> 16K last_rcvd
> 4.0K lfsck_bookmark
> 8.0K lfsck_namespace
> 16K lost+found
> 4.0K lov_objid
> 4.0K lov_objseq
> 29G O
> 7.6M oi.16.0
> 7.7M oi.16.1
> 7.4M oi.16.10
> 7.3M oi.16.11
> 7.1M oi.16.12
> 6.9M oi.16.13
> 6.8M oi.16.14
> 6.9M oi.16.15
> 6.8M oi.16.16
> 6.8M oi.16.17
> 6.8M oi.16.18
> 7.5M oi.16.19
> 7.7M oi.16.2
> 7.9M oi.16.20
> 7.8M oi.16.21
> 7.9M oi.16.22
> 7.9M oi.16.23
> 8.0M oi.16.24
> 8.4M oi.16.25
> 8.3M oi.16.26
> 8.2M oi.16.27
> 8.1M oi.16.28
> 8.1M oi.16.29
> 8.0M oi.16.3
> 8.1M oi.16.30
> 8.0M oi.16.31
> 8.1M oi.16.32
> 7.9M oi.16.33
> 7.6M oi.16.34
> 7.6M oi.16.35
> 7.6M oi.16.36
> 7.7M oi.16.37
> 7.6M oi.16.38
> 7.5M oi.16.39
> 8.0M oi.16.4
> 7.5M oi.16.40
> 7.4M oi.16.41
> 7.5M oi.16.42
> 7.4M oi.16.43
> 7.5M oi.16.44
> 8.1M oi.16.45
> 7.8M oi.16.46
> 7.9M oi.16.47
> 7.9M oi.16.48
> 7.9M oi.16.49
> 8.0M oi.16.5
> 8.0M oi.16.50
> 7.9M oi.16.51
> 7.9M oi.16.52
> 7.5M oi.16.53
> 7.8M oi.16.54
> 7.8M oi.16.55
> 7.4M oi.16.56
> 7.5M oi.16.57
> 7.2M oi.16.58
> 7.2M oi.16.59
> 7.9M oi.16.6
> 7.2M oi.16.60
> 7.8M oi.16.61
> 7.6M oi.16.62
> 7.6M oi.16.63
> 7.6M oi.16.7
> 7.6M oi.16.8
> 7.4M oi.16.9
> 4.0K OI_scrub
> 48K PENDING
> 44K quota_master
> 36K quota_slave
> 4.0K REMOTE_PARENT_DIR
> ...
>
> # cd O
> # du -hs *
>
> 29G 1
> 136K 10
> 136K 200000003
>
> # cd 1
> # du -hs *
>
> 928M d0
> 920M d1
> 928M d10
> 932M d11
> 928M d12
> 932M d13
> 932M d14
> 932M d15
> 924M d16
> 932M d17
> 920M d18
> 928M d19
> 929M d2
> 928M d20
> 928M d21
> 924M d22
> 932M d23
> 924M d24
> 924M d25
> 932M d26
> 932M d27
> 930M d28
> 920M d29
> 928M d3
> 924M d30
> 928M d31
> 928M d4
> 916M d5
> 932M d6
> 928M d7
> 928M d8
> 932M d9
> 4.0K LAST_ID
>
> # cd d0
> # du -hs *
>
> 4.0M 1024
> 4.0M 1056
> 4.0M 1088
> 4.0M 1120
> 4.0M 1152
> 4.0M 1184
> 4.0M 1216
> 4.0M 1248
> 4.0M 128
> 4.0M 1280
> 4.0M 1312
> 4.0M 1344
> 4.0M 1376
> 4.0M 1408
> 4.0M 1440
> 4.0M 1472
> 4.0M 1504
> 4.0M 1536
> 4.0M 1568
> 4.0M 160
> 4.0M 1600
> 4.0M 1632
> 4.0M 1664
> 4.0M 1696
> 4.0M 1728
> 4.0M 1760
> 4.0M 1792
> 4.0M 1824
> 4.0M 1856
> 4.0M 1888
> 4.0M 192
> 4.0M 1920
> 4.0M 1952
> 4.0M 1984
> 4.0M 2016
> 4.0M 2048
> 4.0M 2080
> 4.0M 2112
> 4.0M 2144
> 4.0M 2176
> 4.0M 2208
> 4.0M 224
> 4.0M 2240
> 4.0M 2272
> 4.0M 2304
> 4.0M 2336
> 4.0M 2368
> 4.0M 2400
> 4.0M 2432
> 4.0M 2464
> 4.0M 2496
> 4.0M 2528
> 4.0M 256
> 4.0M 2560
> 4.0M 2592
> 4.0M 2624
> 4.0M 2656
> 4.0M 2688
> 4.0M 2720
> 4.0M 2752
> 4.0M 2784
> 4.0M 2816
> 4.0M 2848
> 4.0M 288
> 4.0M 2880
> 4.0M 2912
> 4.0M 2944
> 4.0M 2976
> 4.0M 3008
> 4.0M 3040
> 4.0M 3072
> 4.0M 3104
> 4.0M 3136
> 4.0M 3168
> 4.0M 320
> 4.0M 3200
> 4.0M 3232
> 4.0M 3264
> 4.0M 3296
> 4.0M 3328
> 4.0M 3360
> 4.0M 3392
> 4.0M 3424
> 4.0M 3456
> 4.0M 3488
> 4.0M 352
> 4.0M 3520
> 4.0M 3552
> 4.0M 3584
> 4.0M 3616
> 4.0M 3648
> 4.0M 3680
> 4.0M 3712
> 4.0M 3744
> 4.0M 3776
> 4.0M 3808
> 4.0M 384
> 4.0M 3840
> 4.0M 3872
> 4.0M 3904
> 4.0M 3936
> 4.0M 3968
> 4.0M 4000
> 4.0M 4032
> 4.0M 4064
> 4.0M 4096
> 4.0M 4128
> 4.0M 416
> 4.0M 4160
> 4.0M 4192
> 4.0M 4224
> 4.0M 4256
> 4.0M 4288
> 4.0M 4320
> 4.0M 4352
> 4.0M 4384
> 4.0M 4416
> 4.0M 4448
> 4.0M 448
> 4.0M 4480
> 4.0M 4512
> 4.0M 4544
> 4.0M 4576
> 4.0M 4608
> 4.0M 4640
> 4.0M 4672
> 4.0M 4704
> 4.0M 4736
> 4.0M 4768
> 4.0M 480
> 4.0M 4800
> 4.0M 4832
> 4.0M 4864
> 4.0M 4896
> 4.0M 4928
> 4.0M 4960
> 4.0M 4992
> 4.0M 5024
> 4.0M 5056
> 4.0M 5088
> 4.0M 512
> 4.0M 5120
> 4.0M 5152
> 4.0M 5184
> 4.0M 5216
> 4.0M 5248
> 4.0M 5280
> 4.0M 5312
> 4.0M 5344
> 4.0M 5376
> 4.0M 5408
> 4.0M 544
> 4.0M 5440
> 4.0M 5472
> 4.0M 5504
> 4.0M 5536
> 4.0M 5568
> 4.0M 5600
> 4.0M 5632
> 4.0M 5664
> 4.0M 5696
> 4.0M 5728
> 4.0M 576
> 4.0M 5760
> 4.0M 5792
> 4.0M 5824
> 4.0M 5856
> 4.0M 5888
> 4.0M 5920
> 4.0M 5952
> 4.0M 5984
> 4.0M 6016
> 4.0M 6048
> 4.0M 608
> 4.0M 6080
> 4.0M 6112
> 4.0M 6144
> 4.0M 6176
> 4.0M 6208
> 4.0M 6240
> 4.0M 6272
> 4.0M 6304
> 4.0M 6336
> 4.0M 6368
> 4.0M 64
> 4.0M 640
> 4.0M 6400
> 4.0M 6432
> 4.0M 6464
> 4.0M 6496
> 4.0M 6528
> 4.0M 6560
> 4.0M 6592
> 4.0M 6624
> 4.0M 6656
> 4.0M 6688
> 4.0M 672
> 4.0M 6720
> 4.0M 6752
> 4.0M 6784
> 4.0M 6816
> 4.0M 6848
> 4.0M 6880
> 4.0M 6912
> 4.0M 6944
> 4.0M 6976
> 4.0M 7008
> 4.0M 704
> 4.0M 7040
> 4.0M 7072
> 4.0M 7104
> 4.0M 7136
> 4.0M 7168
> 4.0M 7200
> 4.0M 7232
> 4.0M 7264
> 4.0M 7296
> 4.0M 7328
> 4.0M 736
> 4.0M 7360
> 4.0M 7392
> 4.0M 7424
> 4.0M 7456
> 4.0M 7488
> 4.0M 7520
> 4.0M 768
> 4.0M 800
> 4.0M 832
> 4.0M 864
> 4.0M 896
> 4.0M 928
> 4.0M 96
> 4.0M 960
> 4.0M 992
>
> So, the main storage goes to “O/1” folder. Anyone knows what’s supposed to
> be in that folder? And why is it so huge?
>
> Thanks,
> Radu
> <snip>
>
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