Cannot find a free bint for tdisk oraclevm_test1 size 4096
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Sergey Ganchuk
Sep 21, 2019, 9:51:28 AM9/21/19
to QUADStor Storage Virtualization
Hi everybody.
My quadstor has ran into this problem:
Sep 21 13:12:09 quadstor1 kernel: WARN: bdev_alloc_for_pgdata:5014 Cannot find a free bint for tdisk oraclevm_test1 size 4096
Sep 21 13:12:09 quadstor1 kernel: WARN: bdev_alloc_block:5122 Cannot find a free bint for size 4096
Sep 21 13:12:09 quadstor1 kernel: WARN: bdev_alloc_block:5161 Group Default free 1571160747520
Sep 21 13:12:09 quadstor1 kernel: WARN: pgdata_alloc_blocks:5509 bdev alloc block failed for size 4096
Sep 21 13:12:12 quadstor1 kernel: WARN: scan_write_data:5719 pgdata alloc blocks failed for size 4096
Sep 21 13:12:12 quadstor1 kernel: WARN: __tdisk_cmd_write:6277 scan write data failed for lba 5451 transfer length 1
Sep 21 13:12:12 quadstor1 kernel: WARN: __tdisk_cmd_write:6449 write failed for lba 5451 transfer length 1 cw 1 cmd 89 sent ctio 0
Sep 21 13:12:12 quadstor1 kernel: WARN: bdev_alloc_for_pgdata:5014 Cannot find a free bint for tdisk oraclevm_test1 size 4096
Sep 21 13:12:12 quadstor1 kernel: WARN: bdev_alloc_block:5122 Cannot find a free bint for size 4096
Sep 21 13:12:12 quadstor1 kernel: WARN: bdev_alloc_block:5161 Group Default free 1571160747520
Sep 21 13:12:12 quadstor1 kernel: WARN: pgdata_alloc_blocks:5509 bdev alloc block failed for size 4096
Sep 21 13:12:15 quadstor1 kernel: WARN: scan_write_data:5719 pgdata alloc blocks failed for size 4096
Sep 21 13:12:15 quadstor1 kernel: WARN: __tdisk_cmd_write:6277 scan write data failed for lba 5451 transfer length 1
Sep 21 13:12:15 quadstor1 kernel: WARN: __tdisk_cmd_write:6449 write failed for lba 5451 transfer length 1 cw 1 cmd 89 sent ctio 0
Sep 21 13:12:15 quadstor1 kernel: WARN: bdev_alloc_for_pgdata:5014 Cannot find a free bint for tdisk oraclevm_test1 size 4096
Sep 21 13:12:15 quadstor1 kernel: WARN: bdev_alloc_block:5122 Cannot find a free bint for size 4096
Sep 21 13:12:15 quadstor1 kernel: WARN: bdev_alloc_block:5161 Group Default free 1571160747520
Sep 21 13:12:15 quadstor1 kernel: WARN: pgdata_alloc_blocks:5509 bdev alloc block failed for size 4096
Sep 21 13:12:18 quadstor1 kernel: WARN: scan_write_data:5719 pgdata alloc blocks failed for size 4096
Sep 21 13:12:18 quadstor1 kernel: WARN: __tdisk_cmd_write:6277 scan write data failed for lba 5451 transfer length 1
Sep 21 13:12:18 quadstor1 kernel: WARN: __tdisk_cmd_write:6449 write failed for lba 5451 transfer length 1 cw 1 cmd 89 sent ctio 0
Sep 21 13:12:18 quadstor1 kernel: WARN: bdev_alloc_for_pgdata:5014 Cannot find a free bint for tdisk oraclevm_test1 size 4096
Sep 21 13:12:18 quadstor1 kernel: WARN: bdev_alloc_block:5122 Cannot find a free bint for size 4096
Sep 21 13:12:18 quadstor1 kernel: WARN: bdev_alloc_block:5161 Group Default free 1571160747520
Sep 21 13:12:18 quadstor1 kernel: WARN: pgdata_alloc_blocks:5509 bdev alloc block failed for size 4096
Sep 21 13:12:21 quadstor1 kernel: WARN: scan_write_data:5719 pgdata alloc blocks failed for size 4096
Sep 21 13:12:21 quadstor1 kernel: WARN: __tdisk_cmd_write:6277 scan write data failed for lba 5451 transfer length 1
Sep 21 13:12:21 quadstor1 kernel: WARN: __tdisk_cmd_write:6449 write failed for lba 5451 transfer length 1 cw 1 cmd 89 sent ctio 0
I have one pool
| ID | Vendor | Model | Serial Number | Name | Size | Used | Status |
|---|---|---|---|---|---|---|---|
| 1 | AVAGO | MR9361-8i | 00791e94e425e81723e0702a0eb00506 | sda4 | 8.673 TB | 8.315 TB | D |
| 2 | AVAGO | MR9361-8i | 00309653e753e81723e0702a0eb00506 | sdb | 8.730 TB | 8.374 TB | |
| 3 | AVAGO | MR9361-8i | 00680c69666c0e1823e0702a0eb00506 | sdc | 8.730 TB | 8.375 TB | |
| 4 | AVAGO | MR9361-8i | 00909892edbce81723e0702a0eb00506 | sdd | 6.984 TB | 6.625 TB |
Pool Disk Statistics
| Total Size: | 33.118 TB |
| Used Size: | 31.689 TB |
| VDisk Usage: | 31.603 TB |
| Deduped Size: | 23.58 GB |
| Uncompressed Size: | 31.580 TB |
| Compressed Size: | 0.00 KB |
| Compression Hits: | 0.00 KB |
| Dedupe Ratio: | 1.001 |
And two vdisks:
| oraclevm_test1 | Default | 6e5bef205312d47d600479ed1d65c618 | 16384 GB | E | Modify | View |  |
| oraclevm_test2 | Default | 6ec81be79e5006c77d6f0f67d0019ff4 | 16384 GB | E | Modify | View | |
After restart of the server it works for a while, but then fails again.
PS. What happened with the site?
QUADStor Support
Sep 21, 2019, 9:55:09 AM9/21/19
to quadstor-virt
The writes are failing because the available free physical space is low. Since these are VMs maybe an unmap will help.
The site is experiencing problems. We will check why
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QUADStor Support
Sep 21, 2019, 10:02:18 AM9/21/19
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