Displaying 1 result from an estimated 1 matches for "dmu_ot_dnode".
2007 Feb 06
4
The ZFS MOS and how DNODES are stored
...d atomic, since the sector write will either succeed or fail totally, leaving either the old version or the new version, but not a combination of the two. This seems sensible to me, but the description of object sets beginning on page 26 of the ZFS On-Disk Specification, states that the DNODE type DMU_OT_DNODE (the type of the DNODE that?s included in the 1KB objset_phys_t structure) will have a data load of an array of DNODES allocated in 128KB blocks, and the picture (Illustration 12 in the spec) shows these blocks as containing 1024 DNODES. Since DNODES are 512 bytes, it would not be possible to fit...