Re: increasing dd disk to disk transfer rate

2006-01-13 Thread Christoph P. Kukulies
Thanks, folks, for the interesting contributions. I really should have marked the subject OT but there spring up a lot of interesting ideas. On Fri, Jan 13, 2006 at 08:13:00AM +1100, Peter Jeremy wrote: On Thu, 2006-Jan-12 10:48:38 +0100, Christoph Kukulies wrote: dd if=/dev/ad2 of=/dev/ad3

Re: How priority propagation works on read/write lock?

2006-01-13 Thread Kamal R. Prasad
Priority need not be propagated to readers as they will not block other readers. Most likely, you only need to propagate to the writer to avoid priority inversron. regards -kamal On 1/13/06, prime [EMAIL PROTECTED] wrote: Hi hackers, I have a question about how priority propagation works

Re: How priority propagation works on read/write lock?

2006-01-13 Thread prime
On 1/13/06, Kamal R. Prasad [EMAIL PROTECTED] wrote: Priority need not be propagated to readers as they will not block other readers. Most likely, you only need to propagate to the writer to avoid priority inversron. regards -kamal On 1/13/06, prime [EMAIL PROTECTED] wrote: Hi

Re: increasing dd disk to disk transfer rate

2006-01-13 Thread Dmitry Morozovsky
On Fri, 13 Jan 2006, Peter Jeremy wrote: PJ The process is running now since yesterday evening and it is at 53 MB PJ at a transfer rate of about 1.1 MB/s. PJ PJ In case the the result being unusable I would like to find a way to make this PJ copying faster. PJ PJ Note that whilst increasing

Re: increasing dd disk to disk transfer rate

2006-01-13 Thread Christoph P. Kukulies
On Thu, Jan 12, 2006 at 02:23:37PM -0700, Kenneth D. Merry wrote: written by phk) that is designed to do disk-to-disk recovery - it copys data in big slabs until it gets an error and then works around the faulty area block by block. It's called 'recoverdisk', and is in

Re: increasing dd disk to disk transfer rate

2006-01-13 Thread Stefan Bethke
Am 13.01.2006 um 14:29 schrieb Christoph P. Kukulies: Just for the record: Before I wanted to give back in my faulty disk to my computer supplier as a case for warranty, I zeroed out the faulty disk. dd if=/dev/zero of=/dev/ad2 bs=1m It took half an hour to zero out the 80GB. Transferrate

device probe re-tried for failed isa device

2006-01-13 Thread Norbert Koch
Hello. I wrote two isa device drivers A and B for FreeBSD4.11. Both are kld-loaded and have identify() entries. Here is the pseudo code for the identify() routines: A_identify() /* 2 units */ { for (i = 0; i =1; ++ i) { dev = BUS_ADD_CHILD(parent, ISA-ORDER_SPECULATIVE, a, 0); If

Re: increasing dd disk to disk transfer rate

2006-01-13 Thread John Nielsen
On Friday 13 January 2006 08:29 am, Christoph P. Kukulies wrote: On Thu, Jan 12, 2006 at 02:23:37PM -0700, Kenneth D. Merry wrote: written by phk) that is designed to do disk-to-disk recovery - it copys data in big slabs until it gets an error and then works around the faulty area block

Re: device probe re-tried for failed isa device

2006-01-13 Thread Matthew N. Dodd
On Fri, 13 Jan 2006, Norbert Koch wrote: 4. A_probe(unit 1) -- fails with ENXIO because hardware is not present Your IDENTIFY method allows device enumeration. You should not create devices in IDENTIFY that do not exist. Consider use /boot/device.hints add ISA devices. An IDENTIFY method

Call for FreeBSD Status Reports

2006-01-13 Thread Max Laier
All, no big news since 6.0, but in the background there are many interesting projects: Just now the new malloc has hit current, we hear promising numbers from the network performance crew, the first batch of security advisories is out and I'm sure some of you spent the holidays doing exiting

Re: How priority propagation works on read/write lock?

2006-01-13 Thread John Baldwin
On Friday 13 January 2006 05:20 am, prime wrote: On 1/13/06, Kamal R. Prasad [EMAIL PROTECTED] wrote: Priority need not be propagated to readers as they will not block other readers. Most likely, you only need to propagate to the writer to avoid priority inversron. regards -kamal

Re: device probe re-tried for failed isa device

2006-01-13 Thread Warner Losh
I wrote two isa device drivers A and B for FreeBSD4.11. Both are kld-loaded and have identify() entries. Here is the pseudo code for the identify() routines: A_identify() /* 2 units */ { for (i = 0; i =1; ++ i) { dev = BUS_ADD_CHILD(parent, ISA-ORDER_SPECULATIVE, a, 0); If

My machine been hacked, I need help

2006-01-13 Thread anchor (sent by Nabble.com)
My machine been hacked. The message file was modified. Old dated backup files are deleted. The last log was truncated. You are gurus. Would you please tell me where I can find out other trace file or logfiles to figure out where the hacker come from? Thanks a lot. -- View this message in

Re: My machine been hacked, I need help

2006-01-13 Thread Julian Elischer
anchor (sent by Nabble.com) wrote: My machine been hacked. The message file was modified. Old dated backup files are deleted. The last log was truncated. You are gurus. Would you please tell me where I can find out other trace file or logfiles to figure out where the hacker come from?