It was also fixed in 2.12.8 On Fri, Sep 30, 2022, 1:28 PM Simon Guilbault < [email protected]> wrote:
> Hi, the grant_shrink bug was fixed in 2.15.0 according to this JIRA: > https://jira.whamcloud.com/browse/LU-14124 > > On Fri, Sep 30, 2022 at 3:59 AM Tung-Han Hsieh < > [email protected]> wrote: > >> Dear Peter, >> >> Thank you very much for your prompt reply. >> >> Actually we just encountered OST file server freezed a few hours ago, >> which installed Lustre-2.15.0 + zfs-2.0.7. Unfortunately all the kernel >> and event logs were lost. So we don't know what's going on. >> >> This system was upgraded to Lustre-2.15.0 + zfs-2.0.7 two days ago. >> Before that it runs Lustre-2.12.6 + zfs-0.7.13 smoothly for two years. >> So we suspected that this system crash was due to the Lustre upgrade. >> To take some actions, we just upgraded the system to Lustre-2.15.1 + >> zfs-2.0.7, and hope that it could run without problem. >> >> By the way, we did see some minor error messages in dmesg when mounting >> MDT and OST in the MDT and OST servers, respectively, with Lustre-2.15.0 >> and 2.15.1: >> >> [ 1049.086838] systemd-udevd[6131]: Process '/usr/sbin/lctl set_param >> 'osc.*.grant_shrink=1'' failed with exit code 2. >> >> I guess this command should be run in the clients, but not valid in MDT >> and OST. Our /etc/udev/rules.d/99-lustre.rules reads: >> >> ======================================================================== >> KERNEL=="obd", MODE="0666" >> >> # set sysfs values on client >> SUBSYSTEM=="lustre", ACTION=="change", ENV{PARAM}=="?*", >> RUN+="/usr/sbin/lctl set_param '$env{PARAM}=$env{SETTING}'" >> # setup linux routes for mr on lustre load >> SUBSYSTEM=="module", ACTION=="add", DEVPATH=="/module/lustre", >> RUN+="/usr/sbin/lnetctl setup-mrrouting" >> ======================================================================== >> >> and /etc/udev/rules.d/99-lustre-server.rules reads: >> >> ======================================================================== >> # Ensure block devices re-added to the system allow for large writes >> (LU-9551) >> # Currently applies only to ldiskfs-formatted devices >> ACTION!="add|change", GOTO="l_tunedisk_end" >> SUBSYSTEM!="block", GOTO="l_tunedisk_end" >> ENV{ID_FS_TYPE}!="ext4", GOTO="l_tunedisk_end" >> >> ENV{ID_FS_LABEL}=="MGS|*-MDT*|*-OST*", RUN+="/usr/sbin/l_tunedisk /dev/%k" >> >> LABEL="l_tunedisk_end" >> ======================================================================== >> >> Further, when running Lustre-2.12.6 + zfs-0.7.3, we have to manually set >> >> lctl set_para osc.*.grant_shrink=0 >> >> in order to maintain reasonable performance when transferring large files. >> Is it necessary to do that for Lustre-2.15.X + zfs-2.0.7 ? >> >> >> Cheers, >> >> T.H.Hsieh >> >> >> On Fri, Sep 30, 2022 at 07:18:53AM +0000, Peter Jones wrote: >> > There is a general problem with the Lustre.org wiki ATM. Hopefully >> service will be restored shortly. In the meantime is there a specific piece >> of information that you wanted to know? The list of fixed issues is also >> available in JIRA for example - >> https://jira.whamcloud.com/secure/ReleaseNote.jspa?projectId=10000&version=15891 >> > >> > ???On 2022-09-30, 12:09 AM, "lustre-discuss on behalf of Tung-Han >> Hsieh" <[email protected] on behalf of >> [email protected]> wrote: >> > >> > Dear All, >> > >> > Could anyone point out where to find the Lustre-2.15.1 change log ? >> > >> > This URL found in Lustre website is invalid: >> > >> > https://wiki.lustre.org/Lustre_2.15.1_Changelog >> > >> > Thank you very much. >> > >> > >> > T.H.Hsieh >> > _______________________________________________ >> > lustre-discuss mailing list >> > [email protected] >> > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >> > >> _______________________________________________ >> lustre-discuss mailing list >> [email protected] >> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >> > _______________________________________________ > lustre-discuss mailing list > [email protected] > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >
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