Typo > 2. MKLINK /D LINK.TXT ORIG.TXT
MKLINK /H On 2012/03/15, at 9:04, Watanabe Maki <watanabe.m...@gmail.com> wrote: > It's true on unix, but you can't delete hard links of opened files on windows. > Try following: > 1 Create a text file ORIG.TXT > 2. MKLINK /D LINK.TXT ORIG.TXT > Now you have hard link LINK.TXT . > 3 Open ORIG.TXT with MS Word. > 4. DEL LINK.TXT > It returns error. > > Interesting thing is that you can delete link.txt if you open orig.txt with > notepad. > Notepad may close file after load, or it may be using different API. > > On 2012/03/15, at 5:04, Jim Newsham <jnews...@referentia.com> wrote: > >> >> Hi Maki, >> >> Thanks for the reply. Yes, I understand that snapshots are hard links. >> However, my understanding is that removing any hard-linked files just >> removes the link (decrementing the link counter of the file on disk) -- it >> does not delete the file itself nor remove any other links which may be >> pointing at the file. To confirm my understanding, I tested this in Windows >> by terminating Cassandra and then deleting all files in the snapshot dir. >> None of the corresponding files in the parent keyspace directory were >> removed. >> >> Regards, >> Jim >> >> On 3/13/2012 9:29 PM, Maki Watanabe wrote: >>> snapshot files are "hardlink"s of the original sstables. >>> As you know, on windows, you can't delete files opened by other process. >>> If you try to delete the "hardlink", windows thinks you try to delete >>> the sstables in production. >>> >>> maki >>> >>> 2012/3/14 Jim Newsham<jnews...@referentia.com>: >>>> Hi, >>>> >>>> I'm using Cassandra 1.0.8, on Windows 7. When I take a snapshot of the >>>> database, I find that I am unable to delete the snapshot directory (i.e., >>>> dir named "{datadir}\{keyspacename}\snapshots\{snapshottag}") while >>>> Cassandra is running: "The action can't be completed because the folder or >>>> a file in it is open in another program. Close the folder or file and try >>>> again". If I terminate Cassandra, then I can delete the directory with no >>>> problem. Is there a reason why Cassandra must hold onto these files? >>>> >>>> Thanks, >>>> Jim >>>> >>