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lvm2
Disk-Space Management - Why is it so hard?
- In a computer, there were small disks.
- Then they grew...
- ...and multiplied...
- ...and divided...
- ...and had to be backed up...
- ...and the data loss came, and was great...
- ...and the tape was unreadable and silent.
- Someone said "virtual" to a Unix kernel hacker
- and the hacker said "let all disks be virtual, and thus managed by software instead of hardware"....
- ..."this way we can grow them and divide them and multiply them without direct relation to hardware".
- "and we can also name names, and find them more easily"
- Then someone else said "If they are virtual, we could also make virtual copies, thus making data restore life easier".
- Thus LVM was conceived.
- cite haifux.org
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原文地址:https://www.cnblogs.com/kwingmei/p/3426308.html
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