On Wed, Apr 28, 2010 at 1:43 PM, Mike Christie <[email protected]> wrote:
> On 04/28/2010 10:40 AM, maguar887 wrote: > >> We are currently running open iscsi version 2.0-871 on RHEL 5.3 >> (2.6.18-92.1.6.0.2.el5) against a Dell Equallogic iScsi SAN group >> (firmware 4.3.5) >> >> > You need to upgrade your kernel. It had a bug with eql targets in the async > logout path. It is fixed in 5.4 and 5.5 kernels. > Mike, do you know if this fix made it's way into the upstream kernel? > > >> Our vendor (Dell/Equallogic) does not recommend adjusting any settings >> in iscsid.conf so we are running all the defaults >> >> I am interested in this configuration option. >> "node.session.iscsi.FastAbort = No" which is disabled by default, but >> it is mentioned that it can be beneficial for Equallogic. >> >> Can anyone else using Equallogic comment if this option has increased >> stability during volume operations such as moving volumes between >> storage pools/arrays >> > > It has nothing to do with your problem. It only comes into play when a scsi > command times out. In that path you do not get 0x00070000 errors. > > > >> Logs below: >> View from iscsi san: >> >> INFO 4/18/10 11:18:11 AM SATA01 iSCSI session to target >> '10.30.0.84:3260, iqn.2001-05.com.equallogic: >> 6-8a0900-540e73901-9410003608347990-disk2' from initiator >> '10.30.0.225:16261, iqn.1994-05.com.redhat:ec43807e8964' was closed. >> Logout request was received from the initiator. >> >> INFO 4/18/10 11:18:15 AM SATA01 iSCSI login to target >> '10.30.0.52:3260, iqn.2001-05.com.equallogic: >> 6-8a0900-540e73901-9410003608347990-disk2' from initiator >> '10.30.0.225:51784, iqn.1994-05.com.redhat:ec43807e8964' successful, >> using Jumbo Frame length. >> >> View from linux var/log/messages >> >> Apr 18 11:18:11 serv02 kernel: sd 24:0:0:0: SCSI error: return code = >> 0x00070000 >> Apr 18 11:18:11 serv02 kernel: end_request: I/O error, dev sdt, sector >> 27424 >> Apr 18 11:18:11 serv02 kernel: sd 24:0:0:0: SCSI error: return code = >> 0x00070000 >> Apr 18 11:18:11 serv02 kernel: end_request: I/O error, dev sdt, sector >> 27520 >> Apr 18 11:18:11 serv02 kernel: Buffer I/O error on device sdt1, >> logical block 3436 >> Apr 18 11:18:11 serv02 kernel: lost page write due to I/O error on >> sdt1 >> Apr 18 11:18:11 serv02 kernel: Aborting journal on device sdt1. >> Apr 18 11:18:11 serv02 kernel: ext3_abort called. >> Apr 18 11:18:11 serv02 kernel: EXT3-fs error (device sdt1): >> ext3_journal_start_sb: Detected aborted journal >> Apr 18 11:18:11 serv02 kernel: Remounting filesystem read-only >> Apr 18 11:18:12 serv02 iscsid: Target requests logout within 3 seconds >> for connection >> Apr 18 11:18:16 serv02 iscsid: connection22:0 is operational after >> recovery (1 attempts) >> >> > -- > You received this message because you are subscribed to the Google Groups > "open-iscsi" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<open-iscsi%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/open-iscsi?hl=en. > > -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=en.
