Messages in this thread | | | Subject | Re: [bug report]scsi: drive letter drift problem | From | Wenchao Hao <> | Date | Tue, 13 Jul 2021 09:27:12 +0800 |
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On 2021/7/12 17:34, Stefan Hajnoczi wrote: > On Mon, Jul 12, 2021 at 12:47:05PM +0800, Wenchao Hao wrote: >> We deploy two SCSI disk in one SCSI host(virtio-scsi bus) for one machine, >> whose ids are [0:0:0:0] and [0:0:1:0]. >> >> Mostly, the device letter are assigned as following after reboot: >> [0:0:0:0] --> sda >> [0:0:1:0] --> sdb >> >> While in rare cases, the device letter shown as following: >> [0:0:0:0] --> sdb >> [0:0:1:0] --> sda >> >> Could we guarantee "sda" is assigned to [0:0:0:0] and "sdb" is assigned to >> [0:0:1:0] or not? >> If we can, then how? > Is there a stable ID that you can use in /dev/disk/by-*? > > Stefan
Thanks, we found /dev/disk/by-path may be helpful
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