Turn off quota to avoid:
Initializing Quota, this may take awhile... quotacheck: Quota for users is enabled on mountpoint / so quotacheck might damage the file.
Please turn quotas off or use -f to force checking.
quotaon: using //quota.group on /dev/md1 [/]: Device or resource busy
quotaon: using //quota.user on /dev/md1 [/]: Device or resource busy
Turn off quota to avoid: Initializing Quota, this may take awhile... quotacheck: Quota for users is enabled on mountpoint / so quotacheck might damage the file. Please turn quotas off or use -f to force checking. quotaon: using //quota.group on /dev/md1 [/]: Device or resource busy quotaon: using //quota.user on /dev/md1 [/]: Device or resource busy