align with the zone size <-|
|-> align with the segment size
_________________________________________________________________________
align with the zone size <-|
|-> align with the segment size
_________________________________________________________________________
- | | | Node | Segment | Segment | |
- | Superblock | Checkpoint | Address | Info. | Summary | Main |
- | (SB) | (CP) | Table (NAT) | Table (SIT) | Area (SSA) | |
+ | | | Segment | Node | Segment | |
+ | Superblock | Checkpoint | Info. | Address | Summary | Main |
+ | (SB) | (CP) | Table (SIT) | Table (NAT) | Area (SSA) | |
: It contains file system information, bitmaps for valid NAT/SIT sets, orphan
inode lists, and summary entries of current active segments.
: It contains file system information, bitmaps for valid NAT/SIT sets, orphan
inode lists, and summary entries of current active segments.
- Segment Information Table (SIT)
: It contains segment information such as valid block count and bitmap for the
validity of all the blocks.
- Segment Information Table (SIT)
: It contains segment information such as valid block count and bitmap for the
validity of all the blocks.
- Segment Summary Area (SSA)
: It contains summary entries which contains the owner information of all the
data and node blocks stored in Main area.
- Segment Summary Area (SSA)
: It contains summary entries which contains the owner information of all the
data and node blocks stored in Main area.
valid, as shown as below.
+--------+----------+---------+
valid, as shown as below.
+--------+----------+---------+