[stgt] [PATCH 1/2] tgt-admin: check if direct-device exists before allocating it

Tomasz Chmielewski mangoo at wpkg.org
Fri Sep 12 10:03:51 CEST 2008

FUJITA Tomonori schrieb:
> On Thu, 11 Sep 2008 17:20:08 +0200
> Tomasz Chmielewski <mangoo at wpkg.org> wrote:
>> FUJITA Tomonori schrieb:
>>> On Thu, 11 Sep 2008 16:25:40 +0200
>>> Tomasz Chmielewski <mangoo at wpkg.org> wrote:
>>>> - allow setting write caching per lun,
>>>> - allow setting scsi_id, scsi_sn, product_id etc. other parameters, per 
>>>> lun - useful if one uses multipathd, but not only
>>> Thanks, looks useful for me.
>>> BTW, I think that we need to improve the default scsi_id and scsi_sn
>>> values. On IET list, there was discussion about using a hash function.
>> When was this discussion, and how was the thread titled? I'll look in 
>> the archives.
> http://news.gmane.org/group/gmane.linux.iscsi.iscsi-target.devel/last=0/force_load=very/?page=17&action=--Action--
> See threads related with "[patch 0/4] move scsiid/scsisn to volume
> change gen_scsiid to md5 hash"
> Note that I don't believe we can provide perfect SCSI ID though I
> think that we can do better than now.

I wonder what other (i.e., non-Linux) target implementations are doing 
with respect to scsi_id, scsi_sn etc.?

Tomasz Chmielewski

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