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Operating Systems Linux Best tuning for qemu windows guest(windows 7) Post 303025176 by Linusolaradm1 on Thursday 25th of October 2018 11:11:59 PM
Old 10-26-2018
with scsi-virtio controller and qemu 3.0 best work with


cache=unsafe
io=threads
discard mode=ignore
detect zeroes=off
 

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LD(4)							   BSD Kernel Interfaces Manual 						     LD(4)

NAME
ld -- logical disk driver SYNOPSIS
ld* at aac? unit ? ld* at amr? unit ? ld* at ataraid? vendtype ? unit ? ld* at cac? unit ? ld* at icp? unit ? ld* at iop? tid ? ld* at mlx? unit ? ld* at sdmmc? ld* at twa? unit ? ld* at twe? unit ? ld* at virtio? DESCRIPTION
The ld driver provides support for simple block devices, usually presented by a disk array controller. FILES
/dev/ldup block mode disk unit u, partition p /dev/rldup raw mode disk unit u, partition p SEE ALSO
aac(4), amr(4), cac(4), icp(4), intro(4), iop(4), mlx(4), sdmmc(4), twa(4), twe(4), virtio(4) HISTORY
The ld driver first appeared in NetBSD 1.5.3. BUGS
The capacity and geometry of units as accessed through the ld driver may be different than when accessed through some other medium (e.g. SCSI). BSD
November 5, 2011 BSD
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