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[2403:580d:fda1::299]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71908fe5434sm5512205b3a.52.2024.09.12.23.41.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Sep 2024 23:41:05 -0700 (PDT) Message-ID: <395d5a08-ba15-443c-bdeb-d1506600662e@suse.com> Date: Fri, 13 Sep 2024 16:11:01 +0930 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Critical error from Tree-checker To: Archange , Qu Wenruo , linux-btrfs@vger.kernel.org References: <9541deea-9056-406e-be16-a996b549614d@archlinux.org> <3fa8f466-7da9-4333-9af7-36dabc2a2047@gmx.com> <4803f696-2dc5-4987-a353-fce1272e93e7@archlinux.org> <914ea24d-aa0d-4f01-8c5e-96cf5544f931@gmx.com> <2cec94bd-fc5e-4e9c-acc9-fb8d58ca3ee1@archlinux.org> <57614727-8097-4b43-93f5-d08a078cbde9@gmx.com> <66e28d81-7162-4ab4-b321-088ee733678e@archlinux.org> <523adab7-9a88-4c27-93bf-a85fd87162d8@gmx.com> <3bfdf0ee-9efa-44b8-b9fd-cabcf90875ec@archlinux.org> <650f2de0-c5e5-4e3c-aa0e-ff79d931a263@gmx.com> <1ee66f34-b855-4a96-bf75-a3d14b9ce392@suse.com> <84938a9c-97ba-4f90-8e66-bdfabf455146@gmx.com> <0c9fe0ac-9a98-4f72-bb87-361070c32772@archlinux.org> Content-Language: en-US From: Qu Wenruo Autocrypt: addr=wqu@suse.com; keydata= xsBNBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAHNGFF1IFdlbnJ1byA8d3F1QHN1c2UuY29tPsLAlAQTAQgAPgIbAwULCQgHAgYVCAkKCwIE FgIDAQIeAQIXgBYhBC3fcuWlpVuonapC4cI9kfOhJf6oBQJjTSJVBQkNOgemAAoJEMI9kfOh Jf6oapEH/3r/xcalNXMvyRODoprkDraOPbCnULLPNwwp4wLP0/nKXvAlhvRbDpyx1+Ht/3gW p+Klw+S9zBQemxu+6v5nX8zny8l7Q6nAM5InkLaD7U5OLRgJ0O1MNr/UTODIEVx3uzD2X6MR ECMigQxu9c3XKSELXVjTJYgRrEo8o2qb7xoInk4mlleji2rRrqBh1rS0pEexImWphJi+Xgp3 dxRGHsNGEbJ5+9yK9Nc5r67EYG4bwm+06yVT8aQS58ZI22C/UeJpPwcsYrdABcisd7dddj4Q RhWiO4Iy5MTGUD7PdfIkQ40iRcQzVEL1BeidP8v8C4LVGmk4vD1wF6xTjQRKfXHOwE0EWdWB rwEIAKpT62HgSzL9zwGe+WIUCMB+nOEjXAfvoUPUwk+YCEDcOdfkkM5FyBoJs8TCEuPXGXBO Cl5P5B8OYYnkHkGWutAVlUTV8KESOIm/KJIA7jJA+Ss9VhMjtePfgWexw+P8itFRSRrrwyUf E+0WcAevblUi45LjWWZgpg3A80tHP0iToOZ5MbdYk7YFBE29cDSleskfV80ZKxFv6koQocq0 vXzTfHvXNDELAuH7Ms/WJcdUzmPyBf3Oq6mKBBH8J6XZc9LjjNZwNbyvsHSrV5bgmu/THX2n g/3be+iqf6OggCiy3I1NSMJ5KtR0q2H2Nx2Vqb1fYPOID8McMV9Ll6rh8S8AEQEAAcLAfAQY AQgAJgIbDBYhBC3fcuWlpVuonapC4cI9kfOhJf6oBQJjTSJuBQkNOge/AAoJEMI9kfOhJf6o rq8H/3LJmWxL6KO2y/BgOMYDZaFWE3TtdrlIEG8YIDJzIYbNIyQ4lw61RR+0P4APKstsu5VJ 9E3WR7vfxSiOmHCRIWPi32xwbkD5TwaA5m2uVg6xjb5wbdHm+OhdSBcw/fsg19aHQpsmh1/Q bjzGi56yfTxxt9R2WmFIxe6MIDzLlNw3JG42/ark2LOXywqFRnOHgFqxygoMKEG7OcGy5wJM AavA+Abj+6XoedYTwOKkwq+RX2hvXElLZbhYlE+npB1WsFYn1wJ22lHoZsuJCLba5lehI+// ShSsZT5Tlfgi92e9P7y+I/OzMvnBezAll+p/Ly2YczznKM5tV0gboCWeusM= In-Reply-To: <0c9fe0ac-9a98-4f72-bb87-361070c32772@archlinux.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 在 2024/9/13 15:24, Archange 写道: > Le 13/09/2024 à 09:29, Qu Wenruo a écrit : >> 在 2024/9/13 14:55, Archange 写道: >> [...] >>>> And it's indeed a false alert. >>>> >>>> In that case, as long as you still have unallocated space, you can >>>> just relocate the system chunks: >>>> >>>> # btrfs balacne start -s >>>> >>>> Which should move the system chunks to new locations and will not >>>> utilize the first 1MiB reserved space. >>> >>> # btrfs balance start -s / >>> ERROR: Refusing to explicitly operate on system chunks. >>> Pass --force if you really want to do that. >>> >>> According to https://btrfs.readthedocs.io/en/latest/btrfs-balance.html, >>> -s requires -f, so I guess I should continue with that? >> >> Yes. > > Hum, no success: > > # btrfs balance start -s --force / > ERROR: error during balancing '/': No space left on device > There may be more info in syslog - try dmesg | tail > > # dmesg > [ 2919.917607] BTRFS info (device dm-0): balance: start -f -s > [ 2919.918105] BTRFS info (device dm-0): 1 enospc errors during balance > [ 2919.918108] BTRFS info (device dm-0): balance: ended with status: -28 > > Indeed, > > # btrfs filesystem show /dev/mapper/root > Label: 'root'  uuid: e6614f01-6f56-4776-8b0a-c260089c35e7 >     Total devices 1 FS bytes used 439.69GiB >     devid    1 size 476.87GiB used 476.87GiB path /dev/mapper/root > > There is unused space though, but not sure how to reclaim it. > > $ btrfs filesystem df / > Data, single: total=472.87GiB, used=438.21GiB > System, single: total=4.00MiB, used=80.00KiB > Metadata, single: total=4.00GiB, used=1.48GiB > GlobalReserve, single: total=512.00MiB, used=0.00B This means most of the "free" space is inside data chunks. You will need to free up some continuous data space, or use different "usage=" filters for data and metadata, or both. Thankfully your metadata has enough free space, so not an urgent situation. Thanks, Qu > > As advised on the balance page, I’ve tried to run with `usage=0` as > filter (for both m, s and d), but the result is always: > > Done, had to relocate 0 out of 480 chunks > >> And I also recommend to convert your metadata and system chunks to DUP, >> if there are enough unallocated space. >> (If have more devices then RAID1). >> >> It looks like the old mkfs defaults to SINGLE for SSDs, but nowadays we >> keep DUP no matter if it's SSD or not. > > Alright, but I guess I need to solve -ENOSPC first… > > Thanks, > Archange >