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- qqqquuuuoooottttaaaacccchhhheeeecccckkkk((((1111MMMM)))) qqqquuuuoooottttaaaacccchhhheeeecccckkkk((((1111MMMM))))
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- NNNNAAAAMMMMEEEE
- quotacheck - EFS filesystem quota consistency checker
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- SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
- ////uuuussssrrrr////eeeettttcccc////qqqquuuuoooottttaaaacccchhhheeeecccckkkk [ ----vvvv ] [ ----pppp ] filesystem ...
- ////uuuussssrrrr////eeeettttcccc////qqqquuuuoooottttaaaacccchhhheeeecccckkkk [ ----vvvv ] [ ----pppp ] ----aaaa
- ////uuuussssrrrr////eeeettttcccc////qqqquuuuoooottttaaaacccchhhheeeecccckkkk [ ----vvvv ] ----nnnn nusers filesystem ...
- ////uuuussssrrrr////eeeettttcccc////qqqquuuuoooottttaaaacccchhhheeeecccckkkk [ ----vvvv ] ----nnnn nusers ----aaaa
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- DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
- _q_u_o_t_a_c_h_e_c_k examines local EFS filesystems, builds a table of current disk
- usage, and compares this table against that stored in the disk quota file
- for the filesystem. If any inconsistencies are detected, both the _q_u_o_t_a_s
- file and the current system copy of the incorrect quotas are updated (the
- latter only occurs if quotas has been enabled for the filesystem). The
- filesystem has to be mounted for _q_u_o_t_a_c_h_e_c_k to be able to operate on it.
- _q_u_o_t_a_c_h_e_c_k ignores XFS filesystems since the XFS quota system is
- journalled and therefore inherently consistent.
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- If the ----aaaa flag is supplied in place of any filesystem names, _q_u_o_t_a_c_h_e_c_k
- checks all the local filesystems indicated in /_e_t_c/_f_s_t_a_b to be read-write
- with disk quotas.
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- Normally _q_u_o_t_a_c_h_e_c_k operates silently. If the ----vvvv option is supplied,
- _q_u_o_t_a_c_h_e_c_k indicates the disk quotas for each user whose quota
- information was modified.
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- If the ----pppp flag is supplied then parallel passes are run on the
- filesystems required, using the pass numbers in /_e_t_c/_f_s_t_a_b in an
- identical fashion to _f_s_c_k(1M).
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- _q_u_o_t_a_c_h_e_c_k expects each filesystem to be checked to have a quota file
- with the name _q_u_o_t_a_s in the root directory. If none is present,
- _q_u_o_t_a_c_h_e_c_k ignores the filesystem.
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- The _q_u_o_t_a_s file has an index followed by the users' quota information.
- If while adding users with the help of the _e_d_q_u_o_t_a(1M) command, there is
- no more space left in the index, the superuser can increase the index
- size with the ----nnnn option to permit the addition of more users to the
- _q_u_o_t_a_s file. _n_u_s_e_r_s is the new number of users for whom sufficient index
- size should be allocated. The default index size allows quotas for 2048
- users. It is not possible to shrink the index size. It is advisable to
- remount the filesystem after using this option.
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- _q_u_o_t_a_c_h_e_c_k is normally run at boot time from the /_e_t_c/_r_c_2._d directory,
- see _r_c_2(1M).
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- _q_u_o_t_a_c_h_e_c_k accesses the raw device in calculating the actual disk usage
- for each user. Thus, the filesystems checked should be quiescent while
- _q_u_o_t_a_c_h_e_c_k is running.
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- PPPPaaaaggggeeee 1111
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- qqqquuuuoooottttaaaacccchhhheeeecccckkkk((((1111MMMM)))) qqqquuuuoooottttaaaacccchhhheeeecccckkkk((((1111MMMM))))
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- EEEEXXXXAAAAMMMMPPPPLLLLEEEESSSS
- quotacheck -v -n 3000 /usr
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- Increases the _q_u_o_t_a_s file index size to support 3000 users (up from the
- default of 2048) for the /_u_s_r filesystem.
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- FFFFIIIILLLLEEEESSSS
- /etc/fstab default filesystems
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- SSSSEEEEEEEE AAAALLLLSSSSOOOO
- fsck(1M), quotaon(1M), quotactl(2).
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- PPPPaaaaggggeeee 2222
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