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cluster:100 [2011/03/28 09:20]
hmeij
cluster:100 [2011/03/28 10:00]
hmeij
Line 13: Line 13:
 The quotas fall into two tiers: the sliding tier and the custom tier.   The quotas fall into two tiers: the sliding tier and the custom tier.  
  
-  * In the sliding tier, when you reach your soft limit, notify HPC admins and your quota will slide to the next strata (<100G, <250G, <500G, <750G). Once you reach the last strata, and you still need more disk space, you enter the custom tier.  +  * In the sliding tier, when you reach your soft limit, notify HPC admins and your quota will slide to the next strata (< 90/100G, < 225/250G, < 450/500G, < 700/750G). Once you reach the last strata, and you still need more disk space, you enter the custom tier.  
   * In the custom tier, we set a quota after agreeing on size and availability of disk space, plus 100G.  Then you are on your own.    * In the custom tier, we set a quota after agreeing on size and availability of disk space, plus 100G.  Then you are on your own. 
  
Line 38: Line 38:
 ==== Notes ==== ==== Notes ====
  
-  * Implementation+**Implementation** 
   * add usrquota,grpquota options to fstab, remount   * add usrquota,grpquota options to fstab, remount
   * log everybody out or reboot (quota error on boot, not initialized yet)   * log everybody out or reboot (quota error on boot, not initialized yet)
Line 49: Line 50:
   * group quota numbers do not add up !?   * group quota numbers do not add up !?
  
-  * Array+**Array** 
   * 48 TB minus 4 global spares   * 48 TB minus 4 global spares
   * after formatting 36 TB available   * after formatting 36 TB available
Line 57: Line 59:
   * if we do not backup, then ... questions for later   * if we do not backup, then ... questions for later
  
-  * Links+**Links** 
   * [[http://tldp.org/HOWTO/Quota-4.html|Quota mini HOWTO]]   * [[http://tldp.org/HOWTO/Quota-4.html|Quota mini HOWTO]]
   * [[http://www.linuxtopia.org/online_books/rhel5/rhel5_administration/rhel5_ch-disk-quotas.html|Admin: Quotas]]   * [[http://www.linuxtopia.org/online_books/rhel5/rhel5_administration/rhel5_ch-disk-quotas.html|Admin: Quotas]]
cluster/100.txt · Last modified: 2011/03/28 10:23 by hmeij