Hello Mike, Thank you for your informative response.
在 2018年8月28日星期二 UTC+8上午8:49:46，Mike Christie写道： > > On 08/21/2018 08:52 PM, [email protected] <javascript:> wrote: > > Hi folks, > > > > I am newbie to open-iscsi. > > My case is I export ceph rbd by open-iscsi. > > > > I found the max_sectors_kb is 64, the value is so small, and 4M sequence > > write is only about 10MB/s. > > I can not increase max_sectors_kb, if I do it will return "bash: echo: > > write error: Invalid argument"(But I can change the value to a small one > > < 64, max_hw_sectors_kb is 32767) > > > > In new version of the linux kernel the initiator will use the optimal > value reported by the target and then uses the max reported as the limit > that the user can set. It sounds like you are using rbd/ceph with > tcmu-runner which has a default limits of 64K. > Yes, I am using tcmu-runner and gwcli. > > If you are using targetcli/lio directly then you can set hw_max_sectors > through targcli when you create the device or in the saveconfig.json file. > > If you are using the ceph-iscsi tools then I am actually working on a > gwcli command to configure this right now. > Yes, I am using ceph-iscsi tools.How can I change the limit by ceph-iscsi tools? Thanks. -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/open-iscsi. For more options, visit https://groups.google.com/d/optout.
