Re: [dm-devel] Help request: setting up /dev/zero using dm-crypt ...

2018-02-07 Thread Heinz Mauelshagen
On 02/07/2018 09:50 AM, Ravi Prakash Putchala wrote: Thank you, Milan. Will try these. If you need experiment over a memory device, use either ramdisk, scsi_debug module to it. Another alternative is to create dm-zero device and use plain dm-crypt (not LUKS). create dm-zero dev

Re: [dm-devel] Help request: setting up /dev/zero using dm-crypt ...

2018-02-07 Thread Ravi Prakash Putchala
Thank you, Milan. Will try these. If you need experiment over a memory device, use either ramdisk, scsi_debug > module to it. > Another alternative is to create dm-zero device and use plain dm-crypt > (not LUKS). > create dm-zero device: How do I do this? Sorry, I do not have much expertise in L

Re: [dm-devel] Help request: setting up /dev/zero using dm-crypt ...

2018-02-07 Thread Milan Broz
On 02/07/2018 09:15 AM, Ravi Prakash Putchala wrote: > We would like to experiment and see the performance results with different > options of dm-crypt. To do this we would like to setup /dev/zero with > dm-crypt as mentioned in > https://www.redhat.com/archives/dm-devel/2015-February/msg00106.h

[dm-devel] Help request: setting up /dev/zero using dm-crypt ...

2018-02-07 Thread Ravi Prakash Putchala
Hi, We would like to experiment and see the performance results with different options of dm-crypt. To do this we would like to setup /dev/zero with dm-crypt as mentioned in https://www.redhat.com/archives/dm-devel/2015-February/msg00106.html However, when I did the following no new mapping gets c