ADSM-L

[ADSM-L] TSM4VE Linux file-level restore

2015-01-12 13:44:38
Subject: [ADSM-L] TSM4VE Linux file-level restore
From: "Stackwick, Stephen" <Stephen.Stackwick AT ICFI DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 12 Jan 2015 18:43:56 +0000
TSM4VE 7.1.1, RHEL6, Windows 2012

We're trying to mount volumes on our Linux server using the TSM4VE GUI "mount" 
command. Works great for Windows (as expected), but for Linux volumes, not so 
much. These are LVM2, EXT4 filesystems, so there's no compatibility issue I can 
think of.

The iSCSI target is set up on the Windows box, the initiator is running on the 
Linux box, but only 2 volumes ever get mounted. In one case, it was the /boot 
volume and an application volume; in another case, it looks like /boot was 
mounted twice. In /var/log/messages, I see a lot of:

Jan 12 11:34:45 localhost kernel: Buffer I/O error on device sdb1, logical 
block 131056
Jan 12 11:34:45 localhost kernel: sd 6:0:0:0: [sdb]  Result: hostbyte=DID_OK 
driverbyte=DRIVER_SENSE
Jan 12 11:34:45 localhost kernel: sd 6:0:0:0: [sdb]  Sense Key : Illegal 
Request [current]
Jan 12 11:34:45 localhost kernel: sd 6:0:0:0: [sdb]  Add. Sense: Logical unit 
not supported
Jan 12 11:34:45 localhost kernel: sd 6:0:0:0: [sdb] CDB: Read(10): 28 00 00 10 
07 80 00 00 08 00
Jan 12 11:34:45 localhost kernel: end_request: I/O error, dev sdb, sector 
1050496

And:

iscsid: kernel reported iscsi connection 4:0 error (1020 - 
iscsi_err_tcp_conn_close

At another customer, we're using W2K8 and RHEL6, and it works great. At this 
customer, the TSM4VE backup server/proxy/whatever is Windows 2012, so that's a 
difference.

Any ideas?

Steve

STEPHEN STACKWICK | Senior Consultant | 301.518.6352 (m) | Stephen.Stackwick AT 
icfi DOT com<mailto:sstackwick AT icfi DOT com> | icfi.com<http://www.icfi.com/>
ICF INTERNATIONAL | 7125 Thomas Edison Dr, Suite 100, Columbia, Md 21046 | 
443-573-0524, 443-718-4900 (o)

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