search for: obdfilter

...afs /mnt/datafs dmesg -c >dmesg.1 umount /mnt/datafs umount /mnt/data/ost0 umount /mnt/data/mdt e2label /dev/sda1 e2label /dev/sda2 dmesg -c >dmesg.2 mount.lustre /dev/sda1 /mnt/data/mdt mount.lustre /dev/sda2 /mnt/data/ost0 dmesg -c >dmesg.3 while cat /proc/fs/lustre/obdfilter/datafs-OST0000/recovery_status \ | egrep ''RECOVERING|time remaining'';do sleep 30;done mount.lustre pool4 at tcp:/datafs /mnt/datafs } aaa 2>&1 | tee aaa.0; dmesg -c >dmesg.4 The files dmesg.{0,1,2,3,4} and aaa.0 are available at: http://fnapcf.fnal.gov/~ron/lu...

Hello, We had a problem with our disk controller that required a reboot. 2 of our OSTs remounted and went through the recovery window but clients hang trying to access them. Also /proc/fs/lustre/obdfilter/$UUID/ is empty for that OST UUID. LDISKFS FS on dm-5, internal journal on dm-5:8 LDISKFS-fs: delayed allocation enabled LDISKFS-fs: file extents enabled LDISKFS-fs: mballoc enabled LDISKFS-fs: mounted filesystem dm-5 with ordered data mode Lustre: 16377:0:(filter.c:990:filter_init_server_data())...

Some clients have been removed several weeks ago but are still listed in: ls -l /proc/fs/lustre/obdfilter/*/exports/ This was found after tracing back mystery tcp packets to the OSS. Although this is causing no damage, it raises the question of when former clients will be cleared from the OSS. Is there a way to manually remove these exports from the OSS? -- Regards, David

...mins later, they would lock up again. The oss''s were dumping stacks all over the place, crawling along and generally making our lustrefs unuseable. After trying different kernels, raid card drivers, changing write back policy on the raid cards etc. the solution was to lctl set_param obdfilter.*.writethrough_cache_enable=0 lctl set_param obdfilter.*.read_cache_enable=0 on all the nodes with the 3ware cards. Has anyone else seen this? I am completely baffled as to why it only affects our nodes with 3ware cards. These nodes were working very well under 1.8.3... -- Dr Stuart Midg...

...ed. Question is whether the procedure: umount <filesystem> on all clients umount <osts> on all OSSes e2fsck <ost-device> on all OSSes for all all OSTs tune2fs -O ^has_journal <ost-device> on all OSSes for all all OSTs lctl set_param obdfilter.*.sync_journal=0 on all OSSes mount <osts> on all OSSes mount <filesystem> on all clients is correct to do the job? (I hope it isn''t neccessary to recreate a FS from scratch.) Many thanks in advance. Cheers -Frank Heckes P.S.: 1.8.1.1 still...

...obd_timeout) for a server to wait before failing recovery. We performed that experiment on our test lustre installation with one OST. storage02 is our OSS [root at storage02 ~]# lctl dl 0 UP mgc MGC10.143.245.3 at tcp 31259d9b-e655-cdc4-c760-45d3df426d86 5 1 UP ost OSS OSS_uuid 3 2 UP obdfilter home-md-OST0001 home-md-OST0001_UUID 7 [root at storage02 ~]# lctl --device 2 set_timeout 600 set_timeout has been deprecated. Use conf_param instead. e.g. conf_param lustre-MDT0000 obd_timeout=50 usage: conf_param obd_timeout=<secs> run <command> after connecting to device <devno&g...

...ec640c0 [46237.835488] ffff81012b6a96b0 000028d210c60a79 0000000000001328 ffff81000ec64270 [46237.843057] Call Trace: [46237.845815] [<ffffffff802e9f76>] log_wait_commit+0xa3/0xf5 [46237.851681] [<ffffffff802e48a0>] journal_stop+0x214/0x244 [46237.857341] [<ffffffff8851c259>] :obdfilter:filter_iocontrol+0x139/0xa20 [46237.864413] [<ffffffff8825fe64>] :obdclass:class_cleanup+0x514/0xfc0 [46237.871219] [<ffffffff88263aec>] :obdclass:class_process_config+0x137c/0x1a90 [46237.878749] [<ffffffff88264519>] :obdclass:class_manual_cleanup+0x319/0xf70 [46237.886137] [...

Dear All, We have a small setup of lustre with 7 OSTs on 8gb FC . We have kept one OST per FC port. We have lustre 2.3 with CentOS 6.3. There are 32 clients which access this over FDR IB. We can achieve more than 1.3GB/s throughput using IOR, without cache. Which is roughly 185MB/s per OST. We wanted to know if this is normal. Should we expect more from 8gb FC port. OSTs are on 8+2 RAID6 .

...using Lustre 2.4.2 and have an OST that doesn't seem to be written to. When I check the MDS with 'lctl dl' I do not see that OST in the list. However when I check the OSS that OST belongs to I can see it is mounted and up; 0 UP osd-zfs l2-OST0003-osd l2-OST0003-osd_UUID 5 3 UP obdfilter l2-OST0003 l2-OST0003_UUID 5 4 UP lwp l2-MDT0000-lwp-OST0003 l2-MDT0000-lwp-OST0003_UUID 5 Since it isn't written to (the MDS doesn't seem to know about it, I created a directory. The index of that OST is 3 so I did a "lfs setstripe -i 3 -c 1 /mnt/l2-lustre/test-37" to for...

Greetings-- Packages for Lustre 1.0.2 are now available in the usual place http://www.clusterfs.com/download.html This bug-fix release resolves a number of issues, of which a few are user-visible: - the default debug level is now a more reasonable production value - zero-copy TCP is now enabled by default, if your hardware supports it - you should encounter fewer allocation failures

Greetings-- Packages for Lustre 1.0.2 are now available in the usual place http://www.clusterfs.com/download.html This bug-fix release resolves a number of issues, of which a few are user-visible: - the default debug level is now a more reasonable production value - zero-copy TCP is now enabled by default, if your hardware supports it - you should encounter fewer allocation failures

...al_launch_packet()) No usable routes to 12345-202.122.37.79 at tcp Jul 7 14:45:11 com01 last message repeated 188807 times Jul 7 14:45:11 com01 kernel: BUG: soft lockup - CPU#15 stuck for 10s! [ll_ost_118:12180]Jul 7 14:45:11 com01 kernel: CPU 15: Jul 7 14:45:11 com01 kernel: Modules linked in: obdfilter(U) fsfilt_ldiskfs(U) ost(U) mgc(U) lustre(U) lov(U) mdc(U) lquota(U) osc(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) libcfs(U) ldiskfs(U) crc16(U) autofs4(U) hidp(U) rfcomm(U) l2cap(U) bluetooth(U) sunrpc(U) dm_multipath(U) scsi_dh(U) video(U) hwmon(U) backlight(U) sbs(U) i2c_ec(U) i2c_cor...