[PVE-User] Fwd: Snapshot

Gilberto Nunes gilberto.nunes32 at gmail.com
Thu Jul 10 16:09:02 CEST 2014


I see this errors, from dmesg command:

scsi3 : iSCSI Initiator over TCP/IP
scsi 3:0:0:0: RAID              IET      Controller       0001 PQ: 0 ANSI: 5
scsi 3:0:0:0: Attached scsi generic sg2 type 12
scsi 3:0:0:1: Direct-Access     IET      VIRTUAL-DISK     0001 PQ: 0 ANSI: 5
sd 3:0:0:1: Attached scsi generic sg3 type 0
scsi 3:0:0:2: Direct-Access     IET      VIRTUAL-DISK     0001 PQ: 0 ANSI: 5
sd 3:0:0:1: [sdb] 20733952 512-byte logical blocks: (10.6 GB/9.88 GiB)
sd 3:0:0:1: [sdb] 4096-byte physical blocks
sd 3:0:0:1: [sdb] Write Protect is off
sd 3:0:0:1: [sdb] Mode Sense: 69 00 00 08
sd 3:0:0:1: [sdb] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
sd 3:0:0:2: Attached scsi generic sg4 type 0
sd 3:0:0:2: [sdc] 102400 512-byte logical blocks: (52.4 MB/50.0 MiB)
sd 3:0:0:2: [sdc] 4096-byte physical blocks
 sdb:
sd 3:0:0:2: [sdc] Write Protect is off
sd 3:0:0:2: [sdc] Mode Sense: 69 00 00 08
 unknown partition table
sd 3:0:0:2: [sdc] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
sd 3:0:0:1: [sdb] Attached SCSI disk
 sdc: sdc1
sd 3:0:0:2: [sdc] Attached SCSI disk


Something to do with Storage configuration or not?


2014-07-10 10:50 GMT-03:00 Yannis Milios <yannis.milios at gmail.com>:

> It has not to do with your ubuntu storage.
> Ubuntu just exposes block level storage via iscsi to the proxmox nodes.
> So it is a matter of proxmox to do the snapshots.However that depends on
> how you will "format" this block level storage.
> If you "format" it to lvm then proxmox can do lvm snapshots on vm hosted
> there.
> If you choose to "format" it to ext4 for example and create a .qcow2 vm,
> then you will have the ability to do qcow2 based snapshots.
>
>
>
>
>
>
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>


-- 
Gilberto Ferreira
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