1. 18 Dec, 2002 22 commits
  2. 17 Dec, 2002 5 commits
  3. 16 Dec, 2002 3 commits
    • Mac Newbold's avatar
    • Mac Newbold's avatar
      Decrease the sleep between loops from 2 to 1, and fix a typo. This should · 6bdba92c
      Mac Newbold authored
      help nodes in reload_pending get sucked into reloading faster. If it
      doesn't do enough, we'll need to do more batching of stuff, so we get some
      parallelism in os_load instead of forcing it to serialize by calling
      os_load one node at a time.
      
      I was tempted to nuke all the stuff that was in there from the netdisk
      reload type, but decided not to. It won't be too long (relatively
      speaking) before we have freed, the new "free node manager" that will
      replace/supersede our current reload_daemon anyway.
      6bdba92c
    • Mac Newbold's avatar
      Fix the 1-event-per-second limitations. Poll until I don't get more · a77a1559
      Mac Newbold authored
      events. This may delay handling of other stuff that happens in my main
      loop, but not by too much. To prevent skew, everything (including reload
      frequency) is done strictly by seconds elapsed, not by iterations or
      anything.
      
      I found that even polling for multiple events without sleeping, I could
      only handle a little over 1 per second when I was calling inuse/statetime
      for additional info on every event. Even though this only happens in the
      worst case (every event is wrong), it won't do. So I took that out. I'll
      probably end up adding a faster lookup of the info I need (mostly
      reservation, and what osid it thinks it is running). That change took it
      up to at least 4 per second (as fast as I could send them manually), more
      than 4x our previous performance. So we should be able to keep up now.
      
      Also, add the support for "announcements" to testbed ops when I die and
      such. (Been in a few days, but this is the first commit of it)
      a77a1559
  4. 13 Dec, 2002 1 commit
  5. 12 Dec, 2002 6 commits
  6. 11 Dec, 2002 3 commits
    • Leigh Stoller's avatar
      Fix "wonkyness" as reported by Eric ... · a6cc917b
      Leigh Stoller authored
      a6cc917b
    • Leigh Stoller's avatar
    • Mike Hibler's avatar
      all: · a6a648e9
      Mike Hibler authored
      	add -Wall to CFLAGS and clean up lint
      	update the TODO file
      	explicitly size the header fields (e.g., int32_t not int)
      
      imagezip:
      	Version 2.
      
      	Adds two ints to the header to help track free space.  Each chunk
      	now has a first and last sector number which can describe any free
      	block before or after the data contained in the chunk.  This is
      	needed in order to properly zero all free space when laying down
      	an image.  In practice: the first chunk describes any free space
      	before the first allocated range and any free space after its
      	contained ranges and before the first allocated range in the second
      	chunk.  Every other chunk then describes just free space following
      	itself (since the previous chunk has already described the space
      	before this chunk).  The point being, we only describe each free
      	range once.
      
      	Added "relocation" information.  Relocation entries go in the chunk
      	header along with region descriptors.  This allows us to identify
      	chunks of data which need to be absolute disk blocks instead of
      	offsets from the containing partition.  This is now used for BSD-slice
      	partition tables which contain absolute disk blocks.  We can now
      	create an image in one slice and reload it into another slice.
      
      	Allow zlib compression level 0 (no compression).  This might be
      	useful on machines that have slow CPUs: do just FS-compression and
      	transfer the image elsewhere faster where it could be re-zipped
      	with regular compression.
      
      	Fix goof.  Previously we were not saving any DOS partition with
      	an unrecognized type.  We should be naively compressing it instead.
      	This is what we now do.  We continue to skip partitions of type 0
      	("unused").
      
      	mikeism: add handler for SIGINFO (^T) to report progress of
      	a zip-age.
      
      	Added everybody's favorite "dots" mode for reporting progress.
      
      	Eliminate some excess copies left over from the conversion from
      	write-every-little-piece to buffer-up-a-full-chunk-and-then-write.
      
      	Eliminaged the special case handling of no skips (ranges) in
      	compress_image by creating a single allocated range describing
      	the whole disk/partition in this case.
      
      	For NTFS, make the behavior of calling missing unicode routines
      	be to return an error rather than exit.  These calls happen,
      	but their failing doesn't seem to be fatal.
      
      	Lots of typical mike-pissing on everything else.
      
      imageunzip:
      
      	Modify to handle both V1 and V2 images.
      
      	In slice mode, make sure we don't write past the bounds of
      	the slice.  ES&D if we try.
      
      	Make output to unseekable devices work again (broken when
      	pwrite was added)
      
      	Add debug -F (Frisbee) option to randomize the presentation of
      	chunks to the unzip/write threads.  Used to simulate frisbee.
      
      	Add "-T DOS-type" option to tell imageunzip, when in slice mode,
      	to set the type of the slice in the DOS partition table.
      	This is useful if you are dropping say a BSD filesystem into
      	an unused slice, you don't have to go back later and set this
      	with fdisk.  Considered making this info part of the image
      	itself (recorded by imagezip when creating a slice image),
      	but decided against it.
      
      	writezero takes an off_t for the size, we can be asked to write
      	many gigabytes of zero at the end of a disk.
      
      	Turn off dots mode by default.  Ya wanna see spots?  Ya gotta
      	turn it on!
      
      	Lots of typical mike-pissing on everything else.
      
      imagedump:
      
      	New tool for checking/dumping the structure of an image and
      	reporting stats about it.
      a6a648e9