Hi Andrew, On Wed, Apr 30, 2008 at 08:58:42AM -0600, Lundgren, Andrew wrote: > From what I have been able to gather, this is not possible at the moment. > > The dead OST will always be there. There is no functioning way to actually > remove it at the moment. > > https://bugzilla.lustre.org/show_bug.cgi?id=15345
thank you for pointing me to this bug report. > > We are running in failout mode rather than failover. When our new clients > tried to reconnect our test cluster, they appeared to block forever. I would > need to recreate the situation to validate that is the behavior, but I am > dealing with another issue at the moment. > > If you are on a production cluster, you may be in a bad way. The only way I > have found to recover this is to wipe the cluster and start fresh. (Not a > good option.) I could live with a "dead" OST in the configuration but as I've written in the update, every call to a proc-entry of this OST on the clients hangs forever. Not really optimal. Thanks, Frank > > -- > Andrew > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of > > Frank Mietke > > Sent: Wednesday, April 30, 2008 3:03 AM > > To: [email protected] > > Subject: [Lustre-discuss] Lustre mount problem > > > > Hi, > > > > we're using 1.6.4.2 here. 5 days ago we lost an OST block > > device forever. I > > deactivated this OST, recreated the block device and started > > "mkfs.lustre --reformat ..." on this > > device and gave it the same OST id (OST0010) as before. A > > mount of this OST went wrong > > with the "already in use" message. Therefore I reformatted > > the device again with > > no index number passed. But now, when I try to mount the > > clients I've got the > > following in dmesg: > > > > Lustre: 1837:0:(obd_mount.c:1685:lustre_check_exclusion()) Excluding > > chicfs-OST0010-osc (on exclusion list) > > Lustre: setting import chicfs-OST0010_UUID INACTIVE by > > administrator request > > Lustre: chicfs-OST0010-osc-00000100cfa0f800.osc: set > > parameter active=0 > > LustreError: 1837:0:(lov_obd.c:140:lov_connect_obd()) not > > connecting OSC > > chicfs-OST0010_UUID; administratively disabled > > Lustre: Client chicfs-client has started > > ib0: no IPv6 routers present > > LustreError: 2596:0:(client.c:504:ptlrpc_import_delay_req()) > > @@@ Uninitialized > > import. [EMAIL PROTECTED] x274/t0 > > o400->chicfs-OST0010_UUID@<NULL>:6 lens > > 64/64 ref 1 fl Rpc:N/0/0 rc 0/0 > > LustreError: 2596:0:(client.c:506:ptlrpc_import_delay_req()) LBUG > > Lustre: 2596:0:(linux-debug.c:168:libcfs_debug_dumpstack()) > > showing stack for > > process 2596 > > lfs R running task 0 2596 2594 > > (NOTLB) > > 00000100715f9ca8 0000000000000000 0000000000000000 00000100718d6740 > > 00000100715f9e78 00000100715f9ca8 00000100715f9cb8 > > 000001007e32c800 > > ffffffffa031e990 00000000000001fa > > Call Trace:<ffffffff80148b4b>{__kernel_text_address+26} > > <ffffffff801115c0>{show_trace+375} > > <ffffffff801116fc>{show_stack+241} > > <ffffffffa01e39c3>{:libcfs:lbug_with_loc+115} > > <ffffffffa02ebc4e>{:ptlrpc:ptlrpc_import_delay_req+238} > > <ffffffffa02f05e8>{:ptlrpc:ptlrpc_queue_wait+584} > > <ffffffffa02f9bb3>{:ptlrpc:lustre_pack_request+995} > > <ffffffffa02eb9f8>{:ptlrpc:ptlrpc_prep_req_pool+1832} > > <ffffffff80178f93>{file_move+27} > > <ffffffff80177540>{dentry_open_it+284} > > <ffffffffa031ceac>{:ptlrpc:lprocfs_wr_ping+444} > > <ffffffff803211ef>{__down_read+52} > > <ffffffffa0266a15>{:obdclass:lprocfs_fops_write+117} > > <ffffffff8017821a>{vfs_write+207} > > <ffffffff80178302>{sys_write+69} > > <ffffffff8011022a>{system_call+126} > > > > Any hints are appreciated. Is there a way to fully remove the > > OST0010 from the > > configuration? > > > > Thanks, > > Frank > > > > > > > > -- > > Dipl.-Inf. Frank Mietke | Fakultätsrechen- und > > Informationszentrum > > Tel.: 0371 - 531 - 35538 | Fak. für Informatik > > Fax: 0371 - 531 8 35538 | TU-Chemnitz > > Key-ID: 60F59599 | > > [EMAIL PROTECTED] > > _______________________________________________ > > Lustre-discuss mailing list > > [email protected] > > http://lists.lustre.org/mailman/listinfo/lustre-discuss > > > -- Dipl.-Inf. Frank Mietke | Fakultätsrechen- und Informationszentrum Tel.: 0371 - 531 - 35538 | Fak. für Informatik Fax: 0371 - 531 8 35538 | TU-Chemnitz Key-ID: 60F59599 | [EMAIL PROTECTED] _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
