That's by design -- it doesn't make sense to live-rollback a block device when you have a running VM actively accessing the device. Once you shut-down the VM, rollback should work just fine. On Mon, May 22, 2017 at 5:29 AM, Lijie <li.jieA@xxxxxxx> wrote: > Hi All, > > When I do a snap rollback command with exclusive-lock enabled, it returns > failure . > > The error message is “Rolling back to snapshot: 0% complete...failed.rbd: > rollback failed: (30) Read-only file system”. > > And the log is “ms_dispatch 0x37df0c0 osd_op_reply(12 > rbd_header.5e2b6b8b4567 [call] v0'0 uv0 ondisk = -16 ((16) Device or > resource busy))” > > > > But if I disable the exclusive-lock feature, snap rollbacks successfully. > > > > So Iam wondering whether the exclusive-lock and rollback are in conflict > .Or maybe there exists defect ? > > > > Looking forward to your reply . > > > > Best gards > > > > Thanks > > > > ------------------------------------------------------------------------------------------------------------------------------------- > 本邮件及其附件含有新华三技术有限公司的保密信息，仅限于发送给上面地址中列出 > 的个人或群组。禁止任何其他人以任何形式使用（包括但不限于全部或部分地泄露、复制、 > 或散发）本邮件中的信息。如果您错收了本邮件，请您立即电话或邮件通知发件人并删除本 > 邮件！ > This e-mail and its attachments contain confidential information from New > H3C, which is > intended only for the person or entity whose address is listed above. Any > use of the > information contained herein in any way (including, but not limited to, > total or partial > disclosure, reproduction, or dissemination) by persons other than the > intended > recipient(s) is prohibited. If you receive this e-mail in error, please > notify the sender > by phone or email immediately and delete it! > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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