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Qcow2
CHF 39.35
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AUQ7HBLKQ1M
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Geliefert zwischen Mo., 02.03.2026 und Di., 03.03.2026
Details
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Qcow2 is a QEMU disk image format. As its name implies, it is a Copy-on-write format. QEMU can use a base image which is read-only, and store all writes to the qcow2 image. Among the QEMU supported formats, this is the most versatile format. Use it to have smaller images (useful if your filesystem does not support holes, for example on FAT32), optional AES encryption, zlib based compression and support of multiple VM snapshots. Copy-on-write (sometimes referred to as "COW") is an optimization strategy used in computer programming. The fundamental idea is that if multiple callers ask for resources which are initially indistinguishable, they can all be given pointers to the same resource. This function can be maintained until a caller tries to modify its "copy" of the resource, at which point a true private copy is created to prevent the changes becoming visible to everyone else. All of this happens transparently to the callers. The primary advantage is that if a caller never makes any modifications, no private copy need ever be created.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131930447
- Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
- Größe H220mm x B220mm
- EAN 9786131930447
- Titel Qcow2
- Herausgeber Betascript Publishing
- Anzahl Seiten 104
- Genre Informatik
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