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PH0PR10MB5706.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Aug 2023 13:54:38.6472 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: k2EdweElXQnd3kcelNkV16FprQ5VzwProOHcWYFEzXdsXLbwcCF6isbJOyDLSUutvCx6mY3JSg0ILAlIqQPUhQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4578 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-24_10,2023-08-24_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 suspectscore=0 malwarescore=0 spamscore=0 phishscore=0 mlxlogscore=999 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308240116 X-Proofpoint-GUID: 2p366DlX0Asy9Fc8T3iiXZIMULEoSKus X-Proofpoint-ORIG-GUID: 2p366DlX0Asy9Fc8T3iiXZIMULEoSKus Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 24/08/2023 06:24, David Sterba wrote: > On Thu, Aug 24, 2023 at 12:13:15AM +0200, David Sterba wrote: >> On Mon, Aug 14, 2023 at 11:27:56PM +0800, Anand Jain wrote: >>> The kernel reunites split-brained devices after a failed `btrfstune -m|M` >>> operation. We can achieve the same in btrfs-progs. So port it here. >>> Ref the discussion here: >>> >>> https://lore.kernel.org/all/1fa6802b-5812-14a8-3fc8-5da54bb5f79d@oracle.com/ >>> >>> Patch 1/16 wasn't integrated as part of the set >>> [PATCH 00/10 v2] fixes and preparatory related to metadata_uuid >>> it's now merged with this patchset. >>> >>> Patches [2-6,11,12] are cleanup patches. >>> >>> Patches [7,8,10] are preparatory. >>> >>> Patch [9] addresses a bug. >>> >>> Patches [13, 14, 15] provide recovery from previously failed >>> `btrfstune -m|M` operations. >>> >>> Patch [16] enhances the misc-test `034-metadata-uuid` to also validate this >>> new recovery feature. >>> >>> This set has been successfully tested with the btrfs-progs testsuite. >>> >>> This patchset is on top the latest devel last commit: >>> 8aba9b0052b6 btrfs-progs: btrfstune: consolidate error handling in main() >>> >>> >>> Anand Jain (16): >>> btrfs-progs: track num_devices per fs_devices >>> btrfs-progs: tune can use local fs_info variable >>> btrfs-progs: rename set_metadata_uuid arg to new_fsid_str >>> btrfs-progs: rename set_metadata_uuid new_fsid to fsid >>> btrfs-progs: rename set_metadata_uuid new_uuid to new_fsid >>> btrfs-progs: rename set_metadata_uuid uuid_changed to fsid_changed >>> btrfs-progs: pass fsid in check_unfinished_fsid_change arg2 >>> btrfs-progs: pass metadata_uuid in check_unfinished_fsid_change arg3 >>> btrfs-progs: fix return without flag reset commit in tune >>> btrfs-progs: preparing the latest device's superblock for commit >>> btrfs-progs: rename fs_devices::list to match the kernel >>> btrfs-progs: rename fs_devices::latest_trans to match the kernel >>> btrfs-progs: tune use the latest bdev in fs_devices for super_copy >>> btrfs-progs: add support to fix superblock with CHANGING_FSID_V2 flag >>> btrfs-progs: recover from the failed btrfstune -m|M >>> btrfs-progs: test btrfstune -m|M ability to fix previous failures >> >> Patches added to devel, thanks. > > On my machine the metadata uuid test does not run because the module is > not loadable, but the GH actions report a failure: > https://github.com/kdave/btrfs-progs/actions/runs/5956097489/job/1615613826 Local VM successfully runs misc-tests/034*. However, on OCI, the same error as GH. Error reports missing device. It appears, inconsistent results due to the varying device scan order from system to system. I am looking more.