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Allocation_and_Reallocation_Policy
The Allocation & Relocation PolicyAllocationBasically, Whenever a new file will be created on the file system, the data blocks would be allocated for it from one of the Storage classes, these allocation policies would decide their fate. 1. User 2. Group 3. File Pattern 4. Directory Name Recursive and Non-recursive 5. Size ReallocationWhenever a admin enforces the policies assigned to a file system, a complete scan of the Filer takes place, eventually leading to the relocation of certain data blocks of a file from one to tier to the other. All the i/o would be waiting for this to complete and would not fail as the name space of the file remains the same. 1. Access Age 2. Modification Age 3. IO Temp 4. User Quota 5. Access Temp 6. Size For any queries/suggestions, Kindly mail to fscops@gmail.com |
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