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тАО04-08-2008 03:17 AM
тАО04-08-2008 03:17 AM
is there any way to reach failover funcionality using Linux RHEL5 lvm with a couple of paths to one XP1024 LUN?
Some info:
[root@svl06 ~]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: HP Model: OPEN-E*15 Rev: 2114
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: HP Model: OPEN-E*15 Rev: 2114
Type: Direct-Access ANSI SCSI revision: 02
These corresponds to /dev/sdb and /dev/sdd devices. I've checked them (same LUN, just different path using SANsurfer from Qlogic)
We have one VG using one of the PVs:
--- Physical volumes ---
PV Name /dev/sdb1
PV UUID zytcmV-fa9l-tsKi-FVCF-2MXV-ektu-r7t2a1
PV Status allocatable
Total PE / Free PE 52097 / 1
The problem is that we can't add the second PVLink, as we normally do in HPUX, to the VG:
[root@svl06 ~]# vgextend vg02 /dev/sdd1
/dev/sdd1 not identified as an existing physical volume
Unable to add physical volume '/dev/sdd1' to volume group 'vg02'.
Any comment is really welcomed!
Solved! Go to Solution.
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тАО04-08-2008 10:58 AM
тАО04-08-2008 10:58 AM
Solution- Mark as New
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тАО04-08-2008 10:25 PM
тАО04-08-2008 10:25 PM
Re: Linux - XP1024 - Failover using LVM PVLinks?
We will try to use one of that methods... qla2xxx or dm-multipath.
Thanks!
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тАО04-10-2008 03:36 AM
тАО04-10-2008 03:36 AM
Re: Linux - XP1024 - Failover using LVM PVLinks?
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тАО04-10-2008 11:23 AM
тАО04-10-2008 11:23 AM