Ceph 准备磁盘 agsize（251 个块）太小，至少需要 4096 个块

Question

我正在尝试在 centos 7 机器上安装 ceph。当我运行磁盘准备命令失败时。根本原因是 mkfs 因 bolck 大小而失败。

    ceph-deploy -v disk  prepare  cm-04:/dev/sdb --zap-disk
    .
    .
    .
    cm-04][WARNIN] ceph_disk.main.Error: Error: Command '['/sbin/mkfs', '-t', 'xfs', '-f', '-i', 'size=2048', '--', '/dev/sdb1']' returned non-zero exit status 1
    [cm-04][ERROR ] RuntimeError: command returned non-zero exit status: 1
    [ceph_deploy.osd][ERROR ] Failed to execute command: /usr/sbin/ceph-disk -v prepare --zap-disk --cluster ceph --fs-type xfs -- /dev/sdb

[ceph_deploy][ERROR ] GenericError: Failed to create 1 OSDs

当我运行 mkfs 时，它失败了。

  /sbin/mkfs -t xfs -f -i size=2048 /dev/sdb1
agsize (251 blocks) too small, need at least 4096 blocks

我的磁盘块大小是 4096

stat  /dev/sdb
  File: ‘/dev/sdb’
  Size: 0               Blocks: 0          IO Block: 4096   block special file

如何配置 chef 以使用 4096？

谢谢 SR

Answer 1

你可能看错了 ceph.conf 中 osd_journal_size 的值。 http://docs.ceph.com/docs/master/rados/configuration/osd-config-ref/

"Ceph’s default osd journal size is 0, so you will need to set this in your ceph.conf file."

Ceph 准备磁盘 agsize（251 个块）太小，至少需要 4096 个块

Ceph prepare disk agsize (251 blocks) too small, need at least 4096 blocks

ceph