View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0000252 | AlmaLinux-8 | zstd | public | 2022-05-30 12:42 | 2022-09-26 10:19 |
| Reporter | pawan | Assigned To | |||
| Priority | normal | Severity | minor | Reproducibility | always |
| Status | new | Resolution | open | ||
| Platform | x86_64 | OS | AlmaLinux | OS Version | 8.6 |
| Summary | 0000252: Unable to decompress qcow.zst file | ||||
| Description | Unable to decompress the filename.qcow2.zst It says unsupported format. | ||||
| Steps To Reproduce | Zstd version is *** zstd command line interface 64-bits v1.4.4, by Yann Collet *** compressed a file using following command /usr/bin/zstd -c 'file.qcow2' > 'file.qcow2.zst' decompressed a file using following command /usr/bin/zstd -dc 'file.qcow2.zst' > 'file.qcow2' It gives following error zstd: file.qcow2.zst: unsupported format | ||||
| Additional Information | This same steps worked on centos 7.9 without any issue | ||||
| Tags | zstd | ||||
| abrt_hash | |||||
| URL | |||||
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+1 We can't restore any backup! It's a big issue |
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Hi, I'm unable to reproduce the bug. Is it still present? zstd_AlmaLinuxOS8.6.txt (1,869 bytes)
$ sudo dnf list --installed | grep -Ei 'zstd'
libzstd.x86_64 1.4.4-1.el8 @anaconda
zstd.x86_64 1.4.4-1.el8 @appstream
$ zstd --version
*** zstd command line interface 64-bits v1.4.4, by Yann Collet ***
$ qemu-img create -f qcow2 file.qcow2 100M
Formatting 'file.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=104857600 lazy_refcounts=off refcount_bits=16
$ zstd -c file.qcow2 > file.qcow2.zst
file.qcow2 : 0.11% (196616 => 221 bytes, /*stdout*\)
$ file.qcow2.zst
file.qcow2.zst: Zstandard compressed data (v0.8+), Dictionary ID: None
$ zstd -dc file.qcow2.zst > file2.qcow2
file.qcow2.zst : 196616 bytes
$ sha512sum file.qcow2
105e7398edd6aba943225ef28e30cffab2327afee932954f2107878d385abb1a529bbe2632351451045a616bca60f94c85c3abb29661cd3fd200eef6dff7c1c5 file.qcow2
$ sha512sum file2.qcow2
105e7398edd6aba943225ef28e30cffab2327afee932954f2107878d385abb1a529bbe2632351451045a616bca60f94c85c3abb29661cd3fd200eef6dff7c1c5 file2.qcow2
$ qemu-img info file.qcow2
image: file.qcow2
file format: qcow2
virtual size: 100 MiB (104857600 bytes)
disk size: 196 KiB
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
refcount bits: 16
corrupt: false
extended l2: false
$ qemu-img info file2.qcow2
image: file2.qcow2
file format: qcow2
virtual size: 100 MiB (104857600 bytes)
disk size: 196 KiB
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
refcount bits: 16
corrupt: false
extended l2: false
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| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2022-05-30 12:42 | pawan | New Issue | |
| 2022-05-30 12:42 | pawan | Tag Attached: zstd | |
| 2022-06-07 20:26 | maxihoster | Note Added: 0000591 | |
| 2022-09-26 10:19 | lkhn | Note Added: 0000693 | |
| 2022-09-26 10:19 | lkhn | File Added: zstd_AlmaLinuxOS8.6.txt |
